173 results on '"Bernasconi P"'
Search Results
2. A strong counterexample to the log canonical Beauville--Bogomolov decomposition
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Bernasconi, Fabio, Filipazzi, Stefano, Patakfalvi, Zsolt, and Tsakanikas, Nikolaos
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Mathematics - Algebraic Geometry ,Mathematics - Differential Geometry - Abstract
For every $d \geq 4$, we construct a $d$-dimensional, log canonical, $K$-trivial variety with the property that two general fibers of its Albanese morphism are not birational. This provides a strong counterexample to the Beauville--Bogomolov decomposition in the log canonical setting. This construction can also be adapted to construct a smooth quasi-projective variety of logarithmic Kodaira dimension 0 whose quasi-Albanese morphism has maximal variation. On the positive side, we show that the Albanese morphism for log canonical pairs with nef anti-canonical class is a locally stable family of pairs., Comment: 22 pages, title changed and minor changes. comments are still welcome
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- 2024
3. High Precision Microscale 3D Manufacturing of Ultra Low Expansion Glass by Femtosecond Selective Laser Etching
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Casamenti, Enrico, Bruno, Alessandro, Bernasconi, Pietro, and Lovera, Andrea
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Physics - Optics ,Physics - Applied Physics - Abstract
Due to its exceptional dimensional stability in harsh thermal conditions and excellent mechanical and optical properties, Corning ultra-low expansion (ULE) glass is the material of choice in many high-demanding fields such as aerospace, astronomy, and advanced optics. This material has recently attracted renewed attention with the advent of femtosecond laser technology, with a particular focus on the interaction of ultrafast pulses and the material itself. Phenomena like the formation of self-assembled nanogratings and their thermal stability as well as the darkening of laser-affected zones have then been characterized. This paper presents how to exploit femtosecond selective laser etching (SLE) techniques to manufacture truly three-dimensional (3D) components. To demonstrate the micron-scale accuracy and repeatability of this process from the mm- to the cm-size range, various devices are designed and fabricated: fiber hole arrays with different hole densities, sizes, orientations, and shapes; and fiber V-groove arrays. Additionally, a mechanical flexural fiber mount is presented as an example of how multiple functionalities can be monolithically integrated into a single piece of glass through SLE technology. An example of a passive alignment substrate for optical components is also shown. SLE technique represents a new advancement in the field of microscale manufacturing, enabling the scalable production of custom-designed ULE glass structures with unprecedented precision and complexity, paving the way for the miniaturized integration of highly stable components., Comment: 7 pages, 3 figures, ICALEO conference 2024
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- 2024
4. MINE GRAPH RULE: A New Cypher-like Operator for Mining Association Rules on Property Graphs
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Cambria, Francesco, Invernici, Francesco, Bernasconi, Anna, and Ceri, Stefano
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Computer Science - Databases - Abstract
Mining information from graph databases is becoming overly important. To approach this problem, current methods focus on identifying subgraphs with specific topologies; as of today, no work has been focused on expressing jointly the syntax and semantics of mining operations over rich property graphs. We define MINE GRAPH RULE, a new operator for mining association rules from graph databases, by extending classical approaches used in relational databases and exploited by recommending systems. We describe the syntax and semantics of the operator, which is based on measuring the support and confidence of each rule, and then we provide several examples of increasing complexity on top of a realistic example; our operator embeds Cypher for expressing the mining conditions. MINE GRAPH RULE is implemented on top of Neo4j, the most successful graph database system; it takes advantage of built-in optimizations of the Neo4j engine, as well as optimizations that are defined in the context of relational association rules. Our implementation is available as a portable Neo4j plugin. At the end of our paper, we show the execution performance in a variety of settings, by varying the operators, the size of the graph, the ratio between node types, the method for creating relationships, and maximum support and confidence.
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- 2024
5. Inter-pixel cross-talk as background to two-photon interference effects in SPAD arrays
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Kulkov, Sergei, Potuckova, Tereza, Bernasconi, Ermanno, Bruschini, Claudio, Milanese, Tommaso, Charbon, Edoardo, Shawkat, Mst Shamim Ara, Nomerotski, Andrei, and Svihra, Peter
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Quantum Physics ,Physics - Instrumentation and Detectors - Abstract
Cross-talk is a well-known feature of single-photon avalanche detectors. It is especially important to account for this effect in applications involving coincidences of two or more photons registered by the sensor since in this case the cross-talk may mimic the useful signal. In this work, we characterize the cross-talk of the LinoSPAD2 detector, as well as perform joint measurements of the cross-talk and Hanbury Brown - Twiss two-photon interference, comparing and cross-calibrating both effects. With a median dark count rate of 125 cps/pixel, we report the average cross-talk probability of $0.22~\%$ for the nearest neighbor and also observe a long-range cross-talk of the order $2 \cdot 10^{-5}~\%$ for channels separated by up to 20 pixels., Comment: 16 pages, 10 figures. Updated with references
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- 2024
6. Modelling Legislative Systems into Property Graphs to Enable Advanced Pattern Detection
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Colombo, Andrea, Bernasconi, Anna, and Ceri, Stefano
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Computer Science - Databases - Abstract
Legislative systems face growing complexity due to the ever-increasing number of laws and intricate interdependencies between them. Traditional methods of storing and analyzing legal systems, mainly based on RDF, struggle with this complexity, hindering efficient knowledge discovery, as required by domain experts. In this paper, we propose to model legislation into a property graph, where edges represent citations, modifications, and abrogations between laws and their articles or attachments, both represented as nodes and edges with properties. As a practical use case, we implement the model in the Italian legislative system. First, we describe our approach to extracting knowledge from legal texts. To this aim, we leverage the recently internationally adopted XML law standard, Akoma Ntoso, to parse and identify entities, relationships and properties. Next, we describe the model and the schema implemented using Neo4j, the market-leading graph database management system. The schema is designed to capture the structure and hierarchy of laws, together with their interdependencies. We show how such a property graph enables an efficient answer to complex and relevant queries previously impractical on raw text. By leveraging other implementations of the Akoma Ntoso standard and the proposed property graph approach, we are confident that this work will facilitate a comprehensive comparison of legislative systems and their complexities.
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- 2024
7. Multifrequency-resolved Hanbury Brown-Twiss Effect
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Ferrantini, Joseph, Crawford, Jesse, Kulkov, Sergei, Jirsa, Jakub, Mueninghoff, Aaron, Lawrence, Lucas, Vintskevich, Stephen, Milanese, Tommaso, Burri, Samuel, Bernasconi, Ermanno, Bruschini, Claudio, Marcisovsky, Michal, Svihra, Peter, Nomerotski, Andrei, Stankus, Paul, Charbon, Edoardo, and Abrahao, Raphael A.
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Physics - Optics ,Astrophysics - Instrumentation and Methods for Astrophysics ,Quantum Physics - Abstract
The Hanbury Brown-Twiss (HBT) effect holds a pivotal place in intensity interferometry and gave a seminal contribution to the development of quantum optics. To observe such an effect, both good spectral and timing resolutions are necessary. Most often, the HBT effect is observed for a single frequency at a time, due to limitations in dealing with multifrequencies simultaneously, halting and limiting some applications. Here, we report a fast and data-driven spectrometer built with a one-dimensional array of single-photon-sensitive avalanche diodes. We report observing the HBT effect for multifrequencies at the same time. Specifically, we observed the HBT for up to 5 lines of the Ne spectrum, but this can be improved even further. Our work represents a major step to make spectral binning and multifrequencies HBT more widely available. The technology we present can benefit both classical and quantum applications.
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- 2024
8. Feature-Based Online Bilateral Trade
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Gaucher, Solenne, Bernasconi, Martino, Castiglioni, Matteo, Celli, Andrea, and Perchet, Vianney
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Computer Science - Computer Science and Game Theory - Abstract
Bilateral trade models the problem of facilitating trades between a seller and a buyer having private valuations for the item being sold. In the online version of the problem, the learner faces a new seller and buyer at each time step, and has to post a price for each of the two parties without any knowledge of their valuations. We consider a scenario where, at each time step, before posting prices the learner observes a context vector containing information about the features of the item for sale. The valuations of both the seller and the buyer follow an unknown linear function of the context. In this setting, the learner could leverage previous transactions in an attempt to estimate private valuations. We characterize the regret regimes of different settings, taking as a baseline the best context-dependent prices in hindsight. First, in the setting in which the learner has two-bit feedback and strong budget balance constraints, we propose an algorithm with $O(\log T)$ regret. Then, we study the same set-up with noisy valuations, providing a tight $\widetilde O(T^{\frac23})$ regret upper bound. Finally, we show that loosening budget balance constraints allows the learner to operate under more restrictive feedback. Specifically, we show how to address the one-bit, global budget balance setting through a reduction from the two-bit, strong budget balance setup. This established a fundamental trade-off between the quality of the feedback and the strictness of the budget constraints.
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- 2024
9. Beyond Primal-Dual Methods in Bandits with Stochastic and Adversarial Constraints
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Bernasconi, Martino, Castiglioni, Matteo, Celli, Andrea, and Fusco, Federico
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Computer Science - Machine Learning - Abstract
We address a generalization of the bandit with knapsacks problem, where a learner aims to maximize rewards while satisfying an arbitrary set of long-term constraints. Our goal is to design best-of-both-worlds algorithms that perform optimally under both stochastic and adversarial constraints. Previous works address this problem via primal-dual methods, and require some stringent assumptions, namely the Slater's condition, and in adversarial settings, they either assume knowledge of a lower bound on the Slater's parameter, or impose strong requirements on the primal and dual regret minimizers such as requiring weak adaptivity. We propose an alternative and more natural approach based on optimistic estimations of the constraints. Surprisingly, we show that estimating the constraints with an UCB-like approach guarantees optimal performances. Our algorithm consists of two main components: (i) a regret minimizer working on \emph{moving strategy sets} and (ii) an estimate of the feasible set as an optimistic weighted empirical mean of previous samples. The key challenge in this approach is designing adaptive weights that meet the different requirements for stochastic and adversarial constraints. Our algorithm is significantly simpler than previous approaches, and has a cleaner analysis. Moreover, ours is the first best-of-both-worlds algorithm providing bounds logarithmic in the number of constraints. Additionally, in stochastic settings, it provides $\widetilde O(\sqrt{T})$ regret \emph{without} Slater's condition.
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- 2024
10. No-Regret is not enough! Bandits with General Constraints through Adaptive Regret Minimization
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Bernasconi, Martino, Castiglioni, Matteo, and Celli, Andrea
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Computer Science - Machine Learning ,Statistics - Machine Learning - Abstract
In the bandits with knapsacks framework (BwK) the learner has $m$ resource-consumption (packing) constraints. We focus on the generalization of BwK in which the learner has a set of general long-term constraints. The goal of the learner is to maximize their cumulative reward, while at the same time achieving small cumulative constraints violations. In this scenario, there exist simple instances where conventional methods for BwK fail to yield sublinear violations of constraints. We show that it is possible to circumvent this issue by requiring the primal and dual algorithm to be weakly adaptive. Indeed, even in absence on any information on the Slater's parameter $\rho$ characterizing the problem, the interplay between weakly adaptive primal and dual regret minimizers yields a "self-bounding" property of dual variables. In particular, their norm remains suitably upper bounded across the entire time horizon even without explicit projection steps. By exploiting this property, we provide best-of-both-worlds guarantees for stochastic and adversarial inputs. In the first case, we show that the algorithm guarantees sublinear regret. In the latter case, we establish a tight competitive ratio of $\rho/(1+\rho)$. In both settings, constraints violations are guaranteed to be sublinear in time. Finally, this results allow us to obtain new result for the problem of contextual bandits with linear constraints, providing the first no-$\alpha$-regret guarantees for adversarial contexts.
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- 2024
11. Unveiling the crystallization kinetics in Ge-rich Ge$_x$Te alloys by large scale simulations with a machine-learned interatomic potential
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Baratella, Dario, Kheir, Omar Abou El, and Bernasconi, Marco
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Condensed Matter - Materials Science ,Condensed Matter - Disordered Systems and Neural Networks - Abstract
A machine-learned interatomic potential for Ge-rich Ge$_x$Te alloys has been developed aiming at uncovering the kinetics of phase separation and crystallization in these materials. The results are of interest for the operation of embedded phase change memories which exploits Ge-enrichment of GeSbTe alloys to raise the crystallization temperature. The potential is generated by fitting a large database of energies and forces computed within Density Functional Theory with the neural network scheme implemented in the DeePMD-kit package. The potential is highly accurate and suitable to describe the structural and dynamical properties of the liquid, amorphous and crystalline phases of the wide range of compositions from pure Ge and stoichiometric GeTe to the Ge-rich Ge$_2$Te alloy. Large scale molecular dynamics simulations revealed a crystallization mechanism which depends on temperature. At 600 K, segregation of most of Ge in excess occurs on the ns time scale followed by crystallization of nearly stoichiometric GeTe regions. At 500 K, nucleation of crystalline GeTe occurs before phase separation, followed by a slow crystal growth due to the concurrent expulsion of Ge in excess.
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- 2024
12. Explicit Sarkisov program for regular surfaces over arbitrary fields and applications
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Bernasconi, Fabio, Fanelli, Andrea, Schneider, Julia, and Zimmermann, Susanna
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Mathematics - Algebraic Geometry ,14E07, 14E30, 14L99 - Abstract
We prove the Sarkisov program for projective surfaces over excellent base rings, including the case of non-perfect base fields of characteristic p>0. We classify the Sarkisov links between Mori fibre spaces and their relations for regular surfaces, generalising work of Iskovskikh. As an application, we discuss rationality problems for regular surfaces and the structure of the plane Cremona group., Comment: 71 pages. Expanded the section on existence of Sarkisov links, added theorem that over separably closed fields of characteristic distinct from two, the plane Cremona group is generated by involutions
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- 2024
13. Towards learning-based planning:The nuPlan benchmark for real-world autonomous driving
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Karnchanachari, Napat, Geromichalos, Dimitris, Tan, Kok Seang, Li, Nanxiang, Eriksen, Christopher, Yaghoubi, Shakiba, Mehdipour, Noushin, Bernasconi, Gianmarco, Fong, Whye Kit, Guo, Yiluan, and Caesar, Holger
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Computer Science - Computer Vision and Pattern Recognition ,Computer Science - Robotics - Abstract
Machine Learning (ML) has replaced traditional handcrafted methods for perception and prediction in autonomous vehicles. Yet for the equally important planning task, the adoption of ML-based techniques is slow. We present nuPlan, the world's first real-world autonomous driving dataset, and benchmark. The benchmark is designed to test the ability of ML-based planners to handle diverse driving situations and to make safe and efficient decisions. To that end, we introduce a new large-scale dataset that consists of 1282 hours of diverse driving scenarios from 4 cities (Las Vegas, Boston, Pittsburgh, and Singapore) and includes high-quality auto-labeled object tracks and traffic light data. We exhaustively mine and taxonomize common and rare driving scenarios which are used during evaluation to get fine-grained insights into the performance and characteristics of a planner. Beyond the dataset, we provide a simulation and evaluation framework that enables a planner's actions to be simulated in closed-loop to account for interactions with other traffic participants. We present a detailed analysis of numerous baselines and investigate gaps between ML-based and traditional methods. Find the nuPlan dataset and code at nuplan.org., Comment: ICRA 2024 camera ready incl. supplementary material
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- 2024
14. A causal network model to estimate the cardiotoxic effect of oncological treatments in young breast cancer survivors
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Bernasconi, Alice, Zanga, Alessio, Lucas, Peter J. F., Scutari, Marco, Trama, Annalisa, and Stella, Fabio
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- 2024
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15. Inkjet assisted manufacturing of untethered magnetic devices: A comparison between three routes to pattern artificial water striders
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Kołczyk-Siedlecka, Karolina, Bernasconi, Roberto, Zabinski, Piotr R., and Magagnin, Luca
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- 2024
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16. Cardiometabolic comorbidities and cardiovascular events in “non-functioning” adrenal incidentalomas: a systematic review and meta-analysis
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Favero, Vittoria, Parazzoli, Chiara, Bernasconi, Davide Paolo, and Chiodini, Iacopo
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- 2024
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17. Quantum Subroutine for Variance Estimation: Algorithmic Design and Applications
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Bernasconi, Anna, Berti, Alessandro, Del Corso, Gianna M., Guidotti, Riccardo, and Poggiali, Alessandro
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Quantum Physics - Abstract
Quantum computing sets the foundation for new ways of designing algorithms, thanks to the peculiar properties inherited by quantum mechanics. The exploration of this new paradigm faces new challenges concerning which field quantum speedup can be achieved. Towards finding solutions, looking for the design of quantum subroutines that are more efficient than their classical counterpart poses solid pillars to new powerful quantum algorithms. Herewith, we delve into a grounding subroutine, the computation of the variance, whose usefulness spaces across different fields of application, particularly the Artificial Intelligence (AI) one. Indeed, the finding of the quantum counterpart of these building blocks impacts vertically those algorithms that leverage this metric. In this work, we propose QVAR, a quantum subroutine, to compute the variance that exhibits a logarithmic complexity both in the circuit depth and width, excluding the state preparation cost. With the vision of showing the use of QVAR as a subroutine for new quantum algorithms, we tackle two tasks from the AI domain: Feature Selection and Outlier Detection. In particular, we showcase two AI hybrid quantum algorithms that leverage QVAR: the Hybrid Quantum Feature Selection (HQFS) algorithm and the Quantum Outlier Detection Algorithm (QODA). In this manuscript, we describe the implementation of QVAR, HQFS, and QODA, providing their correctness and complexities and showing the effectiveness of these hybrid quantum algorithms with respect to their classical counterpart.
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- 2024
18. Agent-Designed Contracts: How to Sell Hidden Actions
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Bernasconi, Martino, Castiglioni, Matteo, and Celli, Andrea
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Computer Science - Computer Science and Game Theory - Abstract
We study the problem faced by a service provider that has to sell services to a user. In our model the service provider proposes various payment options (a menu) to the user which may be based, for example, on the quality of the service. Then, the user chooses one of these options and pays an amount to the service provider, contingent on the observed final outcome. Users are not able to observe directly the action performed by the service provide to reach the final outcome. This might incentivize misconduct. Therefore, we propose a model that enforces trust through economics incentives. The problem has two crucial features: i) the service provider is responsible for both formulating the contract and performing the action for which the user issues payments, and ii) the user is unaware of the true action carried out by the service provider, which is hidden. We study this delegation problem through the lens of contract design, with the overarching goal of enabling the computation of contracts that guarantee that the user can trust the service provider, even if their action is hidden.
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- 2024
19. Multi-Agent Contract Design beyond Binary Actions
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Cacciamani, Federico, Bernasconi, Martino, Castiglioni, Matteo, and Gatti, Nicola
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Computer Science - Computer Science and Game Theory - Abstract
We study hidden-action principal-agent problems with multiple agents. Unlike previous work, we consider a general setting in which each agent has an arbitrary number of actions, and the joint action induces outcomes according to an arbitrary distribution. We study two classes of mechanisms: a class of deterministic mechanisms that is the natural extension of single-agent contracts, in which the agents play a Nash equilibrium of the game induced by the contract, and a class of randomized mechanisms that is inspired by single-agent randomized contracts and correlated equilibria.
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- 2024
20. Regret-Minimizing Contracts: Agency Under Uncertainty
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Bernasconi, Martino, Castiglioni, Matteo, and Marchesi, Alberto
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Computer Science - Computer Science and Game Theory - Abstract
We study the fundamental problem of designing contracts in principal-agent problems under uncertainty. Previous works mostly addressed Bayesian settings in which principal's uncertainty is modeled as a probability distribution over agent's types. In this paper, we study a setting in which the principal has no distributional information about agent's type. In particular, in our setting, the principal only knows some uncertainty set defining possible agent's action costs. Thus, the principal takes a robust (adversarial) approach by trying to design contracts which minimize the (additive) regret: the maximum difference between what the principal could have obtained had them known agent's costs and what they actually get under the selected contract.
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- 2024
21. In vivo single-cell CRISPR uncovers distinct TNF programmes in tumour evolution
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Renz, Peter F., Ghoshdastider, Umesh, Baghai Sain, Simona, Valdivia-Francia, Fabiola, Khandekar, Ameya, Ormiston, Mark, Bernasconi, Martino, Duré, Clara, Kretz, Jonas A., Lee, Minkyoung, Hyams, Katie, Forny, Merima, Pohly, Marcel, Ficht, Xenia, Ellis, Stephanie J., Moor, Andreas E., and Sendoel, Ataman
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- 2024
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22. Bloodstream infections due to multi-drug resistant bacteria in the emergency department: prevalence, risk factors and outcomes—a retrospective observational study
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Capsoni, Nicolò, Azin, Giulia Maria, Scarnera, Marida, Bettina, Marco, Breviario, Riccardo, Ferrari, Laura, Ferrari, Camilla, Privitera, Daniele, Vismara, Chiara, Bielli, Alessandra, Galbiati, Filippo, Bernasconi, Davide Paolo, Merli, Marco, and Bombelli, Michele
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- 2024
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23. Parallel experiments in electrochemical CO2 reduction enabled by standardized analytics
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Senocrate, Alessandro, Bernasconi, Francesco, Kraus, Peter, Plainpan, Nukorn, Trafkowski, Jens, Tolle, Fabian, Weber, Thomas, Sauter, Ulrich, and Battaglia, Corsin
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- 2024
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24. Anthropogenic Eutrophication Drives Major Food Web Changes in Mwanza Gulf, Lake Victoria
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King, Leighton, Wienhues, Giulia, Misra, Pavani, Tylmann, Wojciech, Lami, Andrea, Bernasconi, Stefano M., Jaggi, Madalina, Courtney-Mustaphi, Colin, Muschick, Moritz, Ngoepe, Nare, Mwaiko, Salome, Kishe, Mary A., Cohen, Andrew, Heiri, Oliver, Seehausen, Ole, Vogel, Hendrik, Grosjean, Martin, and Matthews, Blake
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- 2024
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25. Predicting the Risk of Morbidity by GLIM-Based Nutritional Assessment and Body Composition Analysis in Oncologic Abdominal Surgery in the Context of Enhanced Recovery Programs: The PHase Angle Value in Abdominal Surgery (PHAVAS) Study
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Sandini, Marta, Gianotti, Luca, Paiella, Salvatore, Bernasconi, Davide P., Roccamatisi, Linda, Famularo, Simone, Donadon, Matteo, Di Lucca, Gabriele, Cereda, Marco, Baccalini, Edoardo, Capretti, Giovanni, Nappo, Gennaro, Casirati, Amanda, Braga, Marco, Zerbi, Alessandro, Torzilli, Guido, Bassi, Claudio, Salvia, Roberto, Cereda, Emanuele, and Caccialanza, Riccardo
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- 2024
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26. Counterexamples to the MMP for 1-foliations in positive characteristic
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Bernasconi, Fabio
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- 2024
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27. Use of smartphone-based remote assessments of multiple sclerosis in Floodlight Open, a global, prospective, open-access study.
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Oh, Jiwon, Capezzuto, Luca, Kriara, Lito, Schjodt-Eriksen, Jens, van Beek, Johan, Bernasconi, Corrado, Montalban, Xavier, Butzkueven, Helmut, Kappos, Ludwig, Giovannoni, Gavin, Julian, Laura, Baker, Mike, Gossens, Christian, Lindemann, Michael, and Bove, Riley
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Humans ,Smartphone ,Multiple Sclerosis ,Prospective Studies ,Mobile Applications ,Affect - Abstract
Floodlight Open was a global, open-access, digital-only study designed to understand the drivers and barriers in deployment and use of a smartphone app in a naturalistic setting and broad study population of people with and without multiple sclerosis (MS). The study utilised the Floodlight Open app: a bring-your-own-device solution that remotely measures a users mood, cognition, hand motor function, and gait and postural stability via smartphone sensor-based tests requiring active user input (active tests). Levels of mobility of study participants (life-space measurement) were passively measured. Study data from these tests were made available via an open-access platform. Data from 1350 participants with self-declared MS and 1133 participants with self-declared non-MS from 17 countries across four continents were included in this report. Overall, MS participants provided active test data for a mean duration of 5.6 weeks or a mean duration of 19 non-consecutive days. This duration increased among MS participants who persisted beyond the first week to a mean of 10.3 weeks or 36.5 non-consecutive days. Passively collected life-space measurement data were generated by MS participants for a mean duration of 9.8 weeks or 50.6 non-consecutive days. This duration increased to 16.3 weeks/85.1 non-consecutive days among MS participants who persisted beyond the first week. Older age, self-declared MS disease status, and clinical supervision as part of concomitant clinical research were all significantly associated with higher persistence of the use of the Floodlight Open app. MS participants performed significantly worse than non-MS participants on four out of seven active tests. The findings from this multinational study inform future research to improve the dynamics of persistence of use of digital monitoring tools and further highlight challenges and opportunities in applying them to support MS clinical care.
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- 2024
28. Analysis of a global wheat panel reveals a highly diverse introgression landscape and provides evidence for inter-homoeologue chromosomal recombination
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Heuberger, Matthias, Bernasconi, Zoe, Said, Mahmoud, Jung, Esther, Herren, Gerhard, Widrig, Victoria, Šimková, Hana, Keller, Beat, Sánchez-Martín, Javier, and Wicker, Thomas
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- 2024
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29. Infectious disease events in people with HIV receiving kidney transplantation: Analysis of the Swiss HIV Cohort Study and the Swiss Transplant Cohort Study
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Katharina Kusejko, Roger D. Kouyos, Enos Bernasconi, Katia Boggian, Dominique L. Braun, Alexandra Calmy, Matthias Cavassini, Christian van Delden, Hansjakob Furrer, Christian Garzoni, Hans H. Hirsch, Cedric Hirzel, Oriol Manuel, Patrick Schmid, Nina Khanna, Fadi Haidar, Marco Bonani, Dela Golshayan, Michael Dickenmann, Daniel Sidler, Aurelia Schnyder, Nicolas J. Mueller, Huldrych F. Günthard, Peter W. Schreiber, and the Swiss HIV Cohorts Study and the Swiss Transplant Cohort Study
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Kidney transplantation ,HIV ,Infectious disease events ,Infectious and parasitic diseases ,RC109-216 - Abstract
Abstract Background Since the implementation of universal antiretroviral therapy, kidney transplantation (K-Tx) has become a valuable option for treatment of end-stage kidney disease for people with HIV (PWH) with similar patient and graft survival as compared to HIV-uninfected patients. Little is known about the hazards and manifestations of infectious disease (ID) events occurring in kidney transplant recipients with HIV. Methods Using linked information collected in the Swiss HIV Cohort Study (SHCS) and the Swiss Transplant Cohort Study (STCS), we described in-depth demographical and clinical characteristics of PWH who received a K-Tx since 2008. Further, we performed recurrent time to event analyses to understand whether HIV was an independent risk factor for ID events. Results Overall, 24 PWH with 57 ID events were included in this study (100% match of SHCS to STCS). Of these, 17 (70.8%) patients had at least one ID event: 22 (38.6%) viral (HIV not counted), 18 (31.6%) bacterial, one (1.8%) fungal and 16 (28.1%) probable infections. Most ID events affected the respiratory tract (25, 37.3%) or the urinary tract (13, 19.4%). Pathogen types and infection sites were similar in PWH and a matched control group of HIV-uninfected patients. HIV was not an independent risk factor for ID events (adjusted hazard ratio 0.94, p = 0.9). Conclusion By linking data from two large national Swiss cohorts, we provided in-depth information on ID events in PWH receiving a K-Tx in Switzerland. HIV infection was not associated with an increased hazard for ID events after K-Tx.
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- 2024
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30. A clumped isotope calibration of coccoliths at well-constrained culture temperatures for marine temperature reconstructions
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A. J. Clark, I. Torres-Romero, M. Jaggi, S. M. Bernasconi, and H. M. Stoll
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Environmental pollution ,TD172-193.5 ,Environmental protection ,TD169-171.8 ,Environmental sciences ,GE1-350 - Abstract
Numerous recent studies have tested the clumped isotope (Δ47) thermometer on a variety of biogenic carbonates such as foraminifera and bivalves and showed that most follow a common calibration. However, there may be a difference between biogenic-carbonate-based calibrations and the most recent inorganic carbonate calibrations that are assumed to have formed close to isotopic equilibrium. Biogenic calibrations such as those based on foraminifera from seafloor sediments suffer from uncertainties in the determination of the calcification temperatures. Therefore, well-constrained laboratory cultures without temperature uncertainty can help resolve these discrepancies. Although the sample size requirements for a reliable Δ47 measurement have decreased over the years, the availability and preservation of many biogenic carbonates are still limited and/or require substantial time to be extracted from sediments in sufficient amounts. Coccoliths, on the other hand, are abundant and often well-preserved in sediments, and they are a potential interesting target for palaeoceanography. We thus determined the Δ47–temperature relationship for coccoliths due to their relative ease of growth in the laboratory. The carbon and oxygen isotopic compositions of coccolith calcite have limited use in palaeoenvironmental reconstructions due to physiological effects that cause variability in the carbon and oxygen isotopic fractionation during mineralization. However, the relatively limited data available suggest that clumped isotopes may not be significantly influenced by these effects. We cultured three species of coccolithophores under controlled carbonate system conditions with CO2(aq) concentrations between 5 and 45 µM, pH between 7.9 and 8.6 units, and temperatures between 6 and 27 °C. Our well-constrained results agree with a previous culture study that there are no apparent species- or genus-specific vital effects on the Δ47–temperature relationship in coccolithophores despite significant deviations from equilibrium in the C and O isotopic composition. We find that while varying environmental parameters other than temperature does not have a significant effect on Δ47, changing the parameters yields coccolith Δ47–temperature calibrations that agree within 1.2 ppm. Our coccolith-specific Δ47–temperature calibration with well-constrained temperatures shows a consistent, positive offset of 2–3 °C to the inorganic carbonate calibrations, which point to as yet unknown coccolith-specific disequilibrium effects. Thus, we suggest the use of our coccolith-specific calibration for further coccolith palaeoceanographic studies and that calibrations derived from laboratory-grown biogenic carbonates are desirable to reinforce the confidence of clumped-isotope-based temperature reconstructions in palaeoceanography.
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- 2024
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31. Information and Communication Technology to Enhance the Implementation of the Integrated Management of Childhood Illness: A Systematic Review and Meta-Analysis
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Andrea Bernasconi, MD, MSc, Marco Landi, MSc, Clarence S. Yah, PhD, and Marianne A.B. van der Sande, PhD
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Computer applications to medicine. Medical informatics ,R858-859.7 - Abstract
Objective: To evaluate the impact of Information and Communication Technology (ICT) on the implementation of Integrated Management of Childhood Illness (IMCI) and integrated Community Case Management (iCCM) through a systematic review and meta-analysis (PROSPERO registration number: CRD42024517375). Methods: We searched MEDLINE, EMBASE, Cochrane Library, and gray literature from January 2010 to February 2024, focusing on IMCI/iCCM-related terms (Integrated Management of Childhood Illness, IMCI, integrated Community Case Management, iCCM) and excluding non-ICT interventions. A meta-analysis synthesized the effect of ICT on clinical assessment, disease classification, therapy, and antibiotic prescription through odds ratio (OR; 95% CI) employing a random effects model for significant heterogeneity (I2>50%) and conducting subgroup analyses. Results: Of 1005 initial studies, 44 were included, covering 8 interventions for IMCI, 7 for iCCM, and 2 for training. All digital interventions except 1 outperformed traditional paper-based methods. Pooling effect sizes from 16 studies found 5.7 OR for more complete clinical assessments (95% CI, 1.7-19.1; I2, 95%); 2.0 for improved disease classification accuracy (95% CI, 0.9-4.4; I2, 93%); 1.4 for more appropriate therapy (95% CI, 0.8-2.2; I2, 93%); and 0.2 for reduced antibiotic use (95% CI, 0.06-0.55; I2 99%). Conclusion: This review is the first to comprehensively quantify the effect of ICT on the implementation of IMCI/iCCM programs, confirming both the benefits and limitations of these technologies. The customization of digital tools for IMCI/iCCM can serve as a model for other health programs. As ICT increasingly supports the achievement of sustainable development goals, the effective digital interventions identified in this review can pave the way for future innovations.
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- 2024
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32. Acute Aseptic Meningitis Temporally Associated with Intravenous Polyclonal Immunoglobulin Therapy: A Systematic Review
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De Felice, Elisabetta L.T., Toti, Gabriel F., Gatti, Beatrice, Gualtieri, Renato, Camozzi , Pietro, Lava, Sebastiano A.G., Milani, Gregorio P., Treglia, Giorgio, Vanoni, Federica, Bianchetti, Mario G., Bernasconi, Gianmaria F., Terziroli Beretta Piccoli, Benedetta, and Lavagno, Camilla
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- 2024
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33. Home range and resource selection of Virginia opossums in the rural southeastern United States
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Hill, Jacob E., Bernasconi, David A., Chipman, Richard B., Gilbert, Amy T., Beasley, James C., Rhodes, Jr, Olin E., and Dharmarajan, Guha
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- 2024
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34. The Flt3-inhibitor quizartinib augments apoptosis and promotes maladaptive remodeling after myocardial infarction in mice
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Monogiou Belik, Daria, Bernasconi, Riccardo, Xu, Lifen, Della Verde, Giacomo, Lorenz, Vera, Grüterich, Vivienne, Balzarolo, Melania, Mochizuki, Michika, Pfister, Otmar, and Kuster, Gabriela M.
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- 2024
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35. Improvements in Plaque Psoriasis Associated with Calcipotriol/Betamethasone Aerosol Foam Treatment: A Post Hoc Analysis of Non-interventional Studies and Clinical Experience
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Gerdes, Sascha, Campanati, Anna, Ratzinger, Gudrun, Halioua, Bruno, Krogager Eeg, Martin, Pesiridis, Georgios, Jablonski Bernasconi, Marie Y., and Lazaridou, Elizabeth
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- 2024
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36. Busulfan-fludarabine versus busulfan-cyclophosphamide for allogeneic transplant in acute myeloid leukemia: long term analysis of GITMO AML-R2 trial
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Gianluca Cavallaro, Anna Grassi, Chiara Pavoni, Maria Caterina Micò, Alessandro Busca, Irene Maria Cavattoni, Stella Santarone, Carlo Borghero, Attilio Olivieri, Giuseppe Milone, Patrizia Chiusolo, Pellegrino Musto, Riccardo Saccardi, Francesca Patriarca, Fabrizio Pane, Giorgia Saporiti, Paolo Rivela, Elisabetta Terruzzi, Raffaella Cerretti, Giuseppe Marotta, Angelo Michele Carella, Arnon Nagler, Domenico Russo, Paolo Corradini, Paolo Bernasconi, Anna Paola Iori, Luca Castagna, Nicola Mordini, Elena Oldani, Carmen Di Grazia, Andrea Bacigalupo, and Alessandro Rambaldi
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Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract We report the long-term results of a randomized trial (GITMO, AML-R2), comparing 1:1 the combination of busulfan and cyclophosphamide (BuCy2, n = 125) and the combination of busulfan and fludarabine (BuFlu, n = 127) as conditioning regimen in acute myeloid leukemia patients (median age 51 years, range 40–65) undergoing allogeneic hematopoietic stem cell transplantation. With a median follow-up of 6 years, significantly better non-relapse mortality (NRM) was confirmed in BuFlu recipients, which is sustained up to 4 years after transplant (10% vs. 20%, p = 0.0388). This difference was higher in patients older than 51 years (11% in BuFlu vs. 27% in BuCy2, p = 0.0262). The cumulative incidence of relapse, which was the first cause of death in the entire study population, did not differ between the two randomized arms. Similarly, the leukemia-free survival (LFS) and overall survival (OS) were not different in the two cohorts, even when stratifying patients per median age. Graft-and relapse-free survival (GRFS) in BuFlu arm vs. the BuCy2 arm was 25% vs. 20% at 4 years and 20% vs. 17% at 10 years. Hence, the benefit gained by NRM reduction is not offsets by an increased relapse. Leukemia relapse remains a major concern, urging the development of new therapeutic approaches.
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- 2024
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37. Reverse shoulder arthroplasty for two-parts proximal humerus fractures with 'shish-kebab' technique
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Paolofrancesco Malfi, MD, Roberto de Giovanni, MD, Alessio Bernasconi, MD, Valentina Rossi, MD, Riccardo Grasso, MD, and Andrea Cozzolino, MD
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Proximal humerus fracture ,Two parts fracture ,Surgical neck ,Reverse shoulder arthroplasty ,Tuberosity osteotomy ,Shishkebab ,Surgery ,RD1-811 - Published
- 2024
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38. Standardized immunological assays for assessing COVID-19 vaccines by the CEPI-Centralized Laboratory Network
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Ali Azizi, Deborah Ogbeni, Gathoni Kamuyu, Lauren M. Schwartz, Carolyn Clark, Peter Spencer, and Valentina Bernasconi
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Immunologic diseases. Allergy ,RC581-607 ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract The CEPI Centralized Laboratory Network implemented key steps in the transfer and monitoring of the developed immunological SARS-CoV-2 assays to ensure standardization across all the facilities of the network. This comprehensive evaluation reinforces the reliability of the generated data and establishes a solid foundation for a standardized approach, enabling precise inter-laboratory comparisons and contributing to the overall integrity of our network’s clinical results. Herein, we will provide a brief elaboration on the specific measures and procedures implemented to standardize the transfer of assays across our network.
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- 2024
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39. Return on investment in science: twenty years of European Commission funded research in Alzheimer’s dementia, breast cancer and prostate cancer
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Mihajlo Jakovljevic, Pierre Deceuninck, Francesca Pistollato, Evangelos Daskalopoulos, Camilla Bernasconi, Florabela Carausu, Matilde Rosa, Artemis Progri, Martina Makarieva, and Kristijan Krstic
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European Commission ,Alzheimer’s disease ,Breast cancer ,Prostate cancer ,Indicators ,Funding ,Medicine (General) ,R5-920 - Abstract
Abstract Alzheimer’s disease (AD), breast cancer (BC) and prostate cancer (PC) continue to be high in the research and innovation agenda of the European Commission (EC). This is due to their exceptionally large burden to the national health systems, the profound economic effects of opportunity costs attributable to decreased working ability, premature mortality and the ever-increasing demand for both hospital and home-based medical care. Over the last two decades, the EC has been steadily increasing both the number of proposals being funded and the amounts of financial resources being allocated to these fields of research. This trend has continued throughout four consecutive science funding cycles, namely framework programme (FP)5, FP6, FP7 and Horizon 2020 (H2020). We performed a retrospective assessment of the outputs and outcomes of EC funding in AD, BC and PC research over the 1999–2019 period by means of selected indicators. These indicators were assessed for their ability to screen the past, present and future for an array of causal relationships and long-term trends in clinical, epidemiological and public health sphere, while considering also the broader socioeconomic impact of funded research on the society at large. This analysis shows that public–private partnerships with large industry and university-based consortia have led to some of the most impactful proposals being funded over the analysed time period. New pharmaceuticals, small molecules and monoclonal antibodies alike, along with screening and prevention, have been the most prominent sources of innovation in BC and PC, extending patients’ survival and enhancing their quality of life. Unlike oncology, dementia drug development has been way less successful, with only minor improvements related to the quality of supportive medical care for symptoms and more sensitive diagnostics, without any ground-breaking disease-modifying treatment(s). Significant progresses in imaging diagnostics and nanotechnology have been largely driven by the participation of medical device industry multinational companies. Clinical trials funded by the EC were conducted, leading to the development of brand-new drug molecules featuring novel mechanisms of action. Some prominent cases of breakthrough discoveries serve as evidence for the European capability to generate cutting-edge technological innovation in biomedicine. Less productive areas of research may be reconsidered as priorities when shaping the new agenda for forthcoming science funding programmes.
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- 2024
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40. Cancer Prevalence in Children with Inborn Errors of Immunity: Report from a Single Institution
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Mitchell, María Raquel, Urdinez, Luciano, Bernasconi, Andrea R., Danielian, Silvia, Katsikas, María Martha, Sajaroff, Elisa O., Roffé, Georgina, Villa, Nélida M., Galluzzo, Laura, Sanz, Marianela, Palma, Alejandro M., Bouso, Carolina, Prieto, Emma, Goris, Verónica, Yancoski, Judith, Rosenzweig, Sergio D., Oleastro, Matías, Rosé, Adriana, Cacciavillano, Walter, Felizzia, Guido, Guitter, Myriam, Sánchez La Rosa, Cristian, Ríos, Mailén, Zubizarreta, Pedro, Felice, María Sara, and Rossi, Jorge G.
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- 2024
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41. Transcriptional profile of Mycobacterium tuberculosis infection in people living with HIV
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Burcu Tepekule, Lisa Jörimann, Corinne D. Schenkel, Lennart Opitz, Jasmin Tschumi, Rebekka Wolfensberger, Kathrin Neumann, Katharina Kusejko, Marius Zeeb, Lucas Boeck, Marisa Kälin, Julia Notter, Hansjakob Furrer, Matthias Hoffmann, Hans H. Hirsch, Alexandra Calmy, Matthias Cavassini, Niklaus D. Labhardt, Enos Bernasconi, Gabriela Oesch, Karin J. Metzner, Dominique L. Braun, Huldrych F. Günthard, Roger D. Kouyos, Fergal Duffy, and Johannes Nemeth
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Health sciences ,Microbiology ,Transcriptomics ,Science - Abstract
Summary: In people with HIV-1 (PWH), Mycobacterium tuberculosis (MTB) infection poses a significant threat. While active tuberculosis (TB) accelerates immunodeficiency, the interaction between MTB and HIV-1 during asymptomatic phases remains unclear. Analysis of peripheral blood mononuclear cells (PBMC) transcriptomic profiles in PWH, with and without controlled viral loads, revealed distinct clustering in MTB-infected individuals. Functional annotation identified alterations in IL-6, TNF, and KRAS pathways. Notably, MTB-related genes displayed an inverse correlation with HIV-1 viremia, at both individual and signature score levels. These findings suggest that MTB infection in PWH induces a shift in immune system activation, inversely related to HIV-1 viral load. These results may explain the observed enhanced antiretroviral control in MTB-infected PWH. This study highlights the complex interplay between MTB and HIV-1, emphasizing the importance of understanding their interaction for managing co-infections in this population.
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- 2024
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42. Modification of the existing maximum residue level for flonicamid in honey
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EFSA (European Food Safety Authority), Giulia Bellisai, Giovanni Bernasconi, Luis Carrasco Cabrera, Irene Castellan, Monica delAguila, Lucien Ferreira, Luna Greco, Samira Jarrah, Renata Leuschner, Andrea Mioč, Stefanie Nave, Hermine Reich, Silvia Ruocco, Alessia Pia Scarlato, Marta Szot, Elena Taglianini, Anne Theobald, Manuela Tiramani, and Alessia Verani
- Subjects
consumer risk assessment ,flonicamid ,honey ,MRL ,pesticide ,Nutrition. Foods and food supply ,TX341-641 ,Chemical technology ,TP1-1185 - Abstract
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant ISK Biosciences Europe N.V. submitted a request to the competent national authority in Finland to modify the existing maximum residue level (MRL) for the active substance flonicamid in honey. The data submitted in support of the request were not found appropriate to derive an MRL proposal for honey. The assessment was complemented by an analysis of the monitoring data available from the EU monitoring programmes (conducted during 2009–2023). The results from the monitoring data analysis suggest that the current MRL is still sufficient to account for the residue uptake in honey resulting from plant protection products uses of flonicamid on melliferious crops. Adequate analytical methods for enforcement are available to control the residues of flonicamid in honey according to the residue definition as the sum of flonicamid, TFNA and TFNG, expressed as flonicamid at the validated limit of quantification (LOQ) of 0.01 mg/kg for each compound. Based on the risk assessment results, EFSA concluded that the short‐term and long‐term intake of residues in honey at a level of 0.05 mg/kg according to the monitoring data is unlikely to present a risk to consumer health.
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- 2024
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43. Modification of the existing maximum residue levels for picloram in animal commodities and honey
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EFSA (European Food Safety Authority), Giulia Bellisai, Giovanni Bernasconi, Luis Carrasco Cabrera, Irene Castellan, Monica delAguila, Lucien Ferreira, Luna Greco, Samira Jarrah, Renata Leuschner, Andrea Mioč, Stefanie Nave, Hermine Reich, Silvia Ruocco, Alessia Pia Scarlato, Marta Szot, Anne Theobald, Manuela Tiramani, Alessia Verani, and Elena Zioga
- Subjects
animal commodities ,consumer risk assessment ,honey ,MRL ,pesticide ,picloram ,Nutrition. Foods and food supply ,TX341-641 ,Chemical technology ,TP1-1185 - Abstract
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant Corteva Agriscience International Sàrl submitted a request to the competent national authority in the Netherlands to modify the existing maximum residue levels (MRLs) in certain animal commodities (fat and liver) and honey. The data submitted in support of the request were found to be sufficient to derive an MRL proposal for honey. Adequate analytical methods for enforcement are available to control the residues according to the residue definition for enforcement proposed as ‘picloram, free and conjugated, expressed as picloram’ in honey at the validated limit of quantification (LOQ) of 0.01 mg/kg. For the commodities of animal origin, although the submitted data were found to be sufficient, EFSA concluded that no change of the existing MRLs was necessary. Based on the risk assessment results, EFSA concluded that the short‐term and long‐term intake of residues expected in honey, resulting from the existing uses of picloram on melliferous crops, is unlikely to present a risk to consumer health.
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- 2024
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44. Modification of the existing maximum residue levels for dichlorprop‐P in cereal grains
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EFSA (European Food Safety Authority), Giulia Bellisai, Giovanni Bernasconi, Luis Carrasco Cabrera, Irene Castellan, Monica delAguila, Lucien Ferreira, Luna Greco, Samira Jarrah, Renata Leuschner, Andrea Mioč, Stefanie Nave, Hermine Reich, Silvia Ruocco, Alessia Pia Scarlato, Marta Szot, Anne Theobald, Manuela Tiramani, and Alessia Verani
- Subjects
cereals ,consumer risk assessment ,dichlorprop‐P ,2‐EHE ,MRL ,pesticide ,Nutrition. Foods and food supply ,TX341-641 ,Chemical technology ,TP1-1185 - Abstract
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant Nufarm Crop Products UK Ltd. submitted a request to the competent national authority in Italy to modify the existing maximum residue levels (MRLs) for the active substance dichlorprop‐P in barley, oat, rye and wheat grain. The data submitted in support of the request were found to be sufficient to derive MRL proposals for these cereal grains. Adequate analytical methods for enforcement are available to control the residues of dichlorprop‐P in the commodities under consideration at the validated limit of quantification (LOQ) of 0.01 mg/kg and in animal matrices at the validated LOQ of 0.01 mg/kg. Based on the risk assessment results, the European Food Safety Authority (EFSA) concluded that the short‐term and long‐term intake of residues resulting from the use of dichlorprop‐P‐2‐ethylhexyl (dichlorprop‐P 2‐EHE) according to the reported agricultural practices is unlikely to present a risk to consumer health.
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- 2024
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45. Advancing healthcare through data: the BETTER project's vision for distributed analytics
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Matteo Bregonzio, Anna Bernasconi, and Pietro Pinoli
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data space ,distributed analytics ,FAIR principles ,healthcare ,rare diseases ,Medicine (General) ,R5-920 - Abstract
IntroductionData-driven medicine is essential for enhancing the accessibility and quality of the healthcare system. The availability of data plays a crucial role in achieving this goal.MethodsWe propose implementing a robust data infrastructure of FAIRification and data fusion for clinical, genomic, and imaging data. This will be embedded within the framework of a distributed analytics platform for healthcare data analysis, utilizing the Personal Health Train paradigm.ResultsThis infrastructure will ensure the findability, accessibility, interoperability, and reusability of data, metadata, and results among multiple medical centers participating in the BETTER Horizon Europe project. The project focuses on studying rare diseases, such as intellectual disability and inherited retinal dystrophies.ConclusionThe anticipated impacts will benefit a wide range of healthcare practitioners and potentially influence health policymakers.
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- 2024
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46. Modification of the existing maximum residue levels for cycloxydim in various crops
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European Food Safety Authority (EFSA), Giulia Bellisai, Giovanni Bernasconi, Luis Carrasco Cabrera, Irene Castellan, Monica delAguila, Lucien Ferreira, Luna Greco, Samira Jarrah, Renata Leuschner, Andrea Mioč, Stefanie Nave, Hermine Reich, Silvia Ruocco, Alessia Pia Scarlato, Marta Szot, Anne Theobald, Manuela Tiramani, and Alessia Verani
- Subjects
consumer risk assessment ,Cycloxydim ,MRL ,pesticide ,various crops ,Nutrition. Foods and food supply ,TX341-641 ,Chemical technology ,TP1-1185 - Abstract
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant BASF SE submitted a request to the competent national authority in the Netherlands to modify the existing maximum residue levels (MRLs) for the active substance cycloxydim in pome fruits, apricots/peaches, peas (with pods), maize/corn, sugar beet roots and milk (sheep). The data submitted in support of the request were found to be sufficient to derive MRL proposals for pome fruits, peas (with pods), maize/corn and sugar beet roots while for apricots, peaches and sheep milk no changes to the existing MRLs were considered necessary. Adequate analytical methods for enforcement are available to control the residues of cycloxydim according to the current enforcement residue definition in the commodities under consideration. Based on the risk assessment results, EFSA concluded that the short‐term and long‐term intake of residues resulting from the uses of cycloxydim according to the reported agricultural practices is unlikely to present a risk to consumer health.
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- 2024
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47. Cohort profile: the Swiss Mother and Child HIV Cohort Study (MoCHiV)
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PA Crisinel, P Paioni, N Müller, A Anagnostopoulos, M Hoffmann, Huldrych Günthard, J Böni, J Schüpbach, M Baumann, D Nadal, Christoph Rudin, M Egger, C-A Siegrist, N Wagner, J Németh, A Duppenthaler, J Notter, L Kaiser, J-J CHESEAUX, P Schmid, A Rauch, M Huber, C Rudin, B Ledergerber, A Calmy, M Cavassini, M Rickenbach, H Furrer, M Battegay, L Elzi, Andri Rauch, B Hirschel, E Bernasconi, HC Bucher, J Fehr, J Fellay, CA Fux, D Haerry, B Hasse, HH Hirsch, I Hösli, O Keiser, T Klimkait, H Kovari, B Martinez de Tejada, G Pantaleo, R Speck, P Tarr, A Trkola, S Yerly, P Francioli, Andrea Duppenthaler, Karoline Aebi-Popp, Noemie Wagner, Paolo Paioni, Murezi Capaul, Anja Brunner, Anna Traytel, Pierre-Alex Crisinel, Begona Martinez De Tejada, Lisa Kottanattu, Marcel Stöckle, Irene Hösli, Alexandra Scherrer, Katharina Kusejko, Christian R Kahlert, I Abela, K Aebi-Popp, DL Braun, A Ciuffi, K Darling, G Dollenmaier, K Francini, HF Günthard, A Hachfeld, D Jackson-Perry, CR Kahlert, E Kapfhammer, M Kohns, L Kottanattu, RD Kouyos, K Kusejko, N Labhardt, C Marzolini, KJ Metzner, D Nicca, M Perreau, Polli Ch, L Salazar-Vizcaya, M Stöckle, M Thanh Lecompte, G Wandeler, M Weisser, and C Kind
- Subjects
Medicine - Abstract
Purpose Prospective, multicentric observational cohort study in Switzerland investigating measures to prevent mother-to-child transmission in pregnant women with HIV (WWH) and assessing health and development of their exposed children as well as of children with HIV (CWH) in general.Participants Between January 1986 and December 2022, a total of 1446 mother–child pairs were enrolled. During the same period, the study also registered 187 CWH and 521 HIV-exposed but uninfected children (HEU), for whom detailed maternal information was not available. Consequently, the cohort comprises a total of 2154 children.Findings to date During these 37 years, research by the Swiss Mother and Child HIV Cohort Study (MoCHiV) and its international collaborators has strongly influenced the prevention of vertical transmission of HIV (eg, introduction and discontinuation of elective caesarean section, neonatal postexposure prophylaxis and breastfeeding). Contributions have also been made to the management of diagnostics (eg, p24 antigen assay) and the effects of antiretroviral treatment (eg, prematurity, growth) in HEU and CWH.Future plans Most children present within the cohort are now HEU, highlighting the need to investigate other vertically transmitted pathogens such as hepatitis B and C viruses, cytomegalovirus or Treponema pallidum. In addition, analyses are planned on the longitudinal health status of CWH (eg, resistance and prolonged exposure to antiretroviral therapy), on social aspects including stigma in CWH and HEU, and on interventions to further optimise antenatal and postpartum care in WWH.
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- 2024
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48. Differential increase of hippocampal subfield volume after socio-affective mental training relates to reductions in diurnal cortisol
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Sofie Louise Valk, Veronika Engert, Lara Puhlmann, Roman Linz, Benoit Caldairou, Andrea Bernasconi, Neda Bernasconi, Boris C Bernhardt, and Tania Singer
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hippocampus ,mental training ,cortisol ,structure-function ,Medicine ,Science ,Biology (General) ,QH301-705.5 - Abstract
The hippocampus is a central modulator of the HPA-axis, impacting the regulation of stress on brain structure, function, and behavior. The current study assessed whether three different types of 3 months mental Training Modules geared towards nurturing (a) attention-based mindfulness, (b) socio-affective, or (c) socio-cognitive skills may impact hippocampal organization by reducing stress. We evaluated mental training-induced changes in hippocampal subfield volume and intrinsic functional connectivity, by combining longitudinal structural and resting-state fMRI connectivity analysis in 332 healthy adults. We related these changes to changes in diurnal and chronic cortisol levels. We observed increases in bilateral cornu ammonis volume (CA1-3) following the 3 months compassion-based module targeting socio-affective skills (Affect module), as compared to socio-cognitive skills (Perspective module) or a waitlist cohort with no training intervention. Structural changes were paralleled by relative increases in functional connectivity of CA1-3 when fostering socio-affective as compared to socio-cognitive skills. Furthermore, training-induced changes in CA1-3 structure and function consistently correlated with reductions in cortisol output. Notably, using a multivariate approach, we found that other subfields that did not show group-level changes also contributed to changes in cortisol levels. Overall, we provide a link between a socio-emotional behavioural intervention, changes in hippocampal subfield structure and function, and reductions in cortisol in healthy adults.
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- 2024
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49. An integrated microwave-to-optics interface for scalable quantum computing
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Weaver, Matthew J., Duivestein, Pim, Bernasconi, Alexandra C., Scharmer, Selim, Lemang, Mathilde, Thiel, Thierry C. van, Hijazi, Frederick, Hensen, Bas, Gröblacher, Simon, and Stockill, Robert
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- 2024
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50. Abundance theorem for threefolds in mixed characteristic
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Bernasconi, Fabio, Brivio, Iacopo, and Stigant, Liam
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- 2024
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