32 results on '"Christou, V."'
Search Results
2. Assessing radiation protection knowledge in diagnostic radiography in the Republic of Cyprus. A questionnaire survey
- Author
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Zervides, C., Sassis, L., Kefala-Karli, P., Christou, V., Derlagen, A., Papapetrou, P., and Heraclides, A.
- Published
- 2020
- Full Text
- View/download PDF
3. Metrics and algorithm for optimal retrofit strategy of resilient transportation networks
- Author
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Karamlou, A., primary, Bocchini, P., additional, and Christou, V., additional
- Published
- 2016
- Full Text
- View/download PDF
4. Diabetes mellitus in coronary artery disease
- Author
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Diakonikolaou, S, primary, Styliou, T, additional, Christou, V, additional, Eid, O, additional, Eid, R, additional, Karataraki, F, additional, Abdelrahman, R, additional, and Moutiris, J, additional
- Published
- 2022
- Full Text
- View/download PDF
5. Prevalence and impact of high BMI in CAD patients
- Author
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Eid, O, primary, Eid, R, additional, Styliou, T, additional, Diakonikolaou, S, additional, Christou, V, additional, Karataraki, F, additional, Abdelrahman, R, additional, and Moutiris, J, additional
- Published
- 2022
- Full Text
- View/download PDF
6. Assessing the prevalence of hypertension in patients with chronic coronary artery disease in Cyprus
- Author
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Christou, V, primary, Karataraki, F, additional, Diakonikolaou, S, additional, Eid, O, additional, Eid, R, additional, Styliou, T, additional, Abdelrahman, R, additional, and Moutiris, J, additional
- Published
- 2022
- Full Text
- View/download PDF
7. Functional quantization of probabilistic life-cycle performance models
- Author
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Bocchini, P, primary, Miranda, M, additional, and Christou, V, additional
- Published
- 2014
- Full Text
- View/download PDF
8. Elective cancer surgery in COVID-19–Free surgical pathways during the SARS-cov-2 pandemic: An international, multicenter, comparative cohort study
- Author
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James C Glasbey, Dmitri Nepogodiev, Joana Ff Simoes, Omar Omar, Elizabeth Li, Mary L Venn, Mohammad Abou Chaar, Vita Capizzi, Daoud Chaudhry, Anant Desai, Jonathan G Edwards, Jonathan P Evans, Marco Fiore, Jose Flavio Videria, Samuel J Ford, Ian Ganyli, Ewen A Griffiths, Rohan R Gujjuri, Angelos G Kolias, Haytham Ma Kaafarani, Ana Minaya-Bravo, Siobhan C McKay, Helen M Mohan, Keith Roberts, Carlos San Miguel-Méndez, Peter Pockney, Richard Shaw, Neil J Smart, Grant D Stewart, Sudha Sundar, Raghavan Vidya, Aneel A Bhangu, James C Glasbey, Omar Omar, Aneel A Bhangu, Kwabena Siaw-Acheampong, Ruth A Benson, Edward Bywater, Daoud Chaudhry, Brett E Dawson, Jonathan P Evans, James C Glasbey, Rohan R Gujjuri, Emily Heritage, Conor S Jones, Sivesh K Kamarajah, Chetan Khatri, Rachel A Khaw, James M Keatley, Andrew Knight, Samuel Lawday, Elizabeth Li, Harvinder S Mann, Ella J Marson, Kenneth A McLean, Siobhan C McKay, Emily C Mills, Dmitri Nepogodiev, Gianluca Pellino, Maria Picciochi, Elliott H Taylor, Abhinav Tiwari, Joana Ff Simoes, Isobel M Trout, Mary L Venn, Richard Jw Wilkin, Aneel A Bhangu, James C Glasbey, Neil J Smart, Ana Minaya-Bravo, Jonathan P Evans, Gaetano Gallo, Susan Moug, Francesco Pata, Peter Pockney, Salomone Di Saverio, Abigail Vallance, Dale Vimalchandran, Ewen A Griffiths, Sivesh K Kamarajah, Richard Pt Evans, Philip Townend, Keith Roberts, Siobhan McKay, John Isaac, Sohei Satoi, John Edwards, Aman S Coonar, Adrian Marchbank, Edward J Caruana, Georgia R Layton, Akshay Patel, Alessandro Brunelli, Samuel Ford, Anant Desai, Alessandro Gronchi, Marco Fiore, Max Almond, Fabio Tirotta, Sinziana Dumitra, Angelos Kolias, Stephen J Price, Daniel M Fountain, Michael D Jenkinson, Peter Hutchinson, Hani J Marcus, Rory J Piper, Laura Lippa, Franco Servadei, Ignatius Esene, Christian Freyschlag, Iuri Neville, Gail Rosseau, Karl Schaller, Andreas K Demetriades, Faith Robertson, Alex Alamri, Richard Shaw, Andrew G Schache, Stuart C Winter, Michael Ho, Paul Nankivell, Juan Rey Biel, Martin Batstone, Ian Ganly, Raghavan Vidya, Alex Wilkins, Jagdeep K Singh, Dinesh Thekinkattil, Sudha Sundar, Christina Fotopoulou, Elaine Leung, Tabassum Khan, Luis Chiva, Jalid Sehouli, Anna Fagotti, Paul Cohen, Murat Gutelkin, Rahel Ghebre, Thomas Konney, Rene Pareja, Rob Bristow, Sean Dowdy, T S Shylasree, R Kottayasamy Seenivasagam, Joe Ng, Keiiji Fujiwara, Grant D Stewart, Benjamin Lamb, Krishna Narahari, Alan McNeill, Alexandra Colquhoun, John McGrath, Steve Bromage, Ravi Barod, Veeru Kasivisvanathan, Tobias Klatte, Joana Ff Simoes, Tom Ef Abbott, Sadi Abukhalaf, Michel Adamina, Adesoji O Ademuyiwa, Arnav Agarwal, Murat Akkulak, Ehab Alameer, Derek Alderson, Felix Alakaloko, Markus Albertsmeiers, Osaid Alser, Muhammad Alshaar, Sattar Alshryda, Alexis P Arnaud, Knut Magne Augestad, Faris Ayasra, José Azevedo, Brittany K Bankhead-Kendall, Emma Barlow, David Beard, Ruth A Benson, Ruth Blanco-Colino, Amanpreet Brar, Ana Minaya-Bravo, Kerry A Breen, Chris Bretherton, Igor Lima Buarque, Joshua Burke, Edward J Caruana, Mohammad Chaar, Sohini Chakrabortee, Peter Christensen, Daniel Cox, Moises Cukier, Miguel F Cunha, Giana H Davidson, Anant Desai, Salomone Di Saverio, Thomas M Drake, John G Edwards, Muhammed Elhadi, Sameh Emile, Shebani Farik, Marco Fiore, J Edward Fitzgerald, Samuel Ford, Tatiana Garmanova, Gaetano Gallo, Dhruv Ghosh, Gustavo Mendonça Ataíde Gomes, Gustavo Grecinos, Ewen A Griffiths, Madalegna GrÜndl, Constantine Halkias, Ewen M Harrison, Intisar Hisham, Peter J Hutchinson, Shelley Hwang, Arda Isik, Michael D Jenkinson, Pascal Jonker, Haytham Ma Kaafarani, Debby Keller, Angelos Kolias, Schelto Kruijff, Ismail Lawani, Hans Lederhuber, Sezai Leventoglu, Andrey Litvin, Andrew Loehrer, Markus W Löffler, Maria Aguilera Lorena, Maria Marta Modolo, Piotr Major, Janet Martin, Hassan N Mashbari, Dennis Mazingi, Symeon Metallidis, Ana Minaya-Bravo, Helen M Mohan, Rachel Moore, David Moszkowicz, Susan Moug, Joshua S Ng-Kamstra, Mayaba Maimbo, Ionut Negoi, Milagros Niquen, Faustin Ntirenganya, Maricarmen Olivos, Kacimi Oussama, Oumaima Outani, Marie Dione Parreno-Sacdalanm, Francesco Pata, Carlos Jose Perez Rivera, Thomas D Pinkney, Willemijn van der Plas, Peter Pockney, Ahmad Qureshi, Dejan Radenkovic, Antonio Ramos-De la Medina, Keith Roberts, April C Roslani, Martin Rutegård, Juan José Segura-Sampedro, Irène Santos, Sohei Satoi, Raza Sayyed, Andrew Schache, Andreas A Schnitzbauer, Justina O Seyi-Olajide, Neil Sharma, Richard Shaw, Sebastian Shu, Kjetil Soreide, Antonino Spinelli, Grant D Stewart, Malin Sund, Sudha Sundar, Stephen Tabiri, Philip Townend, Georgios Tsoulfas, Gabrielle H van Ramshorst, Raghavan Vidya, Dale Vimalachandran, Oliver J Warren, Duane Wedderburn, Naomi Wright, C Allemand, L Boccalatte, M Figari, M Lamm, J Larrañaga, C Marchitelli, F Noll, D Odetto, M Perrotta, J Saadi, L Zamora, C Alurralde, E L Caram, D Eskinazi, J P Mendoza, M Usandivaras, R Badra, A Esteban, J S García, P M García, J I Gerchunoff, S M Lucchini, M A NIgra, L Vargas, T Hovhannisyan, A Stepanyan, T Gould, R Gourlay, B Griffiths, S Gananadha, M McLaren, J Cecire, N Joshi, S Salindera, A Sutherland, J H Ahn, G Charlton, S Chen, N Gauri, R Hayhurst, S Jang, F Jia, C Mulligan, W Yang, G Ye, H Zhang, M Ballal, D Gibson, D Hayne, J Moss, T Richards, P Viswambaram, U G Vo, J Bennetts, T Bright, M Brooke-Smith, R Fong, B Gricks, Y H Lam, B S Ong, M Szpytma, D Watson, K Bagraith, S Caird, E Chan, C Dawson, D Ho, E Jeyarajan, S Jordan, A Lim, G J Nolan, A Oar, D Parker, H Puhalla, A Quennell, L Rutherford, P Townend, M Von Papen, M Wullschleger, A Blatt, D Cope, N Egoroff, M Fenton, J Gani, N Lott, P Pockney, N Shugg, M Elliott, D Phung, D Phan, D Townend, C Bong, J Gundara, A Frankel, S Bowman, G R Guerra, J Bolt, K Buddingh, N N Dudi-Venkata, S Jog, H M Kroon, T Sammour, R Smith, C Stranz, M Batstone, K Lah, W McGahan, D Mitchell, A Morton, A Pearce, M Roberts, G Sheahan, B Swinson, N Alam, S Banting, L Chong, P Choong, S Clatworthy, D Foley, A Fox, M W Hii, B Knowles, J Mack, M Read, A Rowcroft, S Ward, G Wright, M Lanner, I Königsrainer, M Bauer, C Freyschlag, M Kafka, F Messner, D Öfner, I Tsibulak, K Emmanuel, M Grechenig, R Gruber, M Harald, L Öhlberger, J Presl, A Wimmer, I Namazov, E Samadov, D Barker, R Boyce, S Corbin, A Doyle, A Eastmond, R Gill, A Haynes, S Millar, M O'Shea, G Padmore, N Paquette, E Phillips, S St John, K Walkes, N Flamey, P Pattyn, W Oosterlinck, J Van den Eynde, R Van den Eynde, A Gatti, C Nardi, R Oliva, R De Cicco, I Cecconello, P Gregorio, L Pontual Lima, U Ribeiro Junior, F Takeda, R M Terra, M Sokolov, B Kidane, S Srinathan, M Boutros, N Caminsky, G Ghitulescu, G Jamjoum, J Moon, J Pelletier, T Vanounou, S Wong, M Boutros, S Dumitra, A Kouyoumdjian, B Johnston, C Russell, M Boutros, S Demyttenaere, R Garfinkle, J Abou-Khalil, C Nessim, J Stevenson, F Heredia, A Almeciga, A Fletcher, A Merchan, L O Puentes, J Mendoza Quevedo, G Bacic, D Karlovic, D Krsul, M Zelic, I Luksic, M Mamic, B Bakmaz, I Coza, E Dijan, Z Katusic, J Mihanovic, I Rakvin, K Frantzeskou, N Gouvas, G Kokkinos, P Papatheodorou, I Pozotou, O Stavrinidou, A Yiallourou, L Martinek, M Skrovina, I Szubota, J Žatecký, V Javurkova, J Klat, T Avlund, P Christensen, J L Harbjerg, L H Iversen, D W Kjaer, Hø Kristensen, M Mekhael, A L Ebbehøj, P Krarup, N Schlesinger, H Smith, A Abdelsamed, A Y Azzam, H Salem, A Seleim, A Abdelmajeed, M Abdou, N E Abosamak, M Al Sayed, F Ashoush, R Atta, E Elazzazy, M Elhoseiny, M Elnemr, M S Elqasabi, M E Elsayed Hewalla, I Elsherbini, E Essam, M Eweda, I Ghallab, E Hassan, M Ibrahim, M Metwalli, M Mourad, M S Qatora, M Ragab, A Sabry, H Saifeldin, M Saleh Mesbah Mohamed Elkaffas, A Samih, A Samir Abdelaal, S Shehata, K Shenit, D Attia, N Kamal, N Osman, A M Abbas, Has Abd Elazeem, M M Abdelkarem, S Alaa, A K Ali, A Ayman, M G Azizeldine, H Elkhayat, S M Elghazaly, F A Monib, M A Nageh, M M Saad, M Salah, M Shahine, E A Yousof, A Youssef, A Eldaly, M ElFiky, A Nabil, G Amira, I Sallam, M Sherief, A Sherif, A Abdelrahman, H Aboulkassem, G Ghaly, R Hamdy, A Morsi, H Salem, G Sherif, H Abdeldayem, I Abdelkader Salama, M Balabel, Y Fayed, A E Sherif, D Bekele, J Kauppila, E Sarjanoja, O Helminen, H Huhta, J H Kauppila, C Beyrne, L Jouffret, L Lugans, L Marie-Macron, E Chouillard, B De Simone, J Bettoni, S Dakpé, B Devauchelle, N Lavagen, S Testelin, S Boucher, R Breheret, A Gueutier, A Kahn, J KÜn-Darbois, A Barrabe, Z Lakkis, A Louvrier, S Manfredelli, P Mathieu, A Chebaro, V Drubay, M El Amrani, C Eveno, K Lecolle, G Legault, L Martin, G Piessen, F R Pruvot, S Truant, P Zerbib, Q Ballouhey, B Barrat, J Laloze, H Salle, A Taibi, J Usseglio, D Bergeat, A Merdrignac, Roy B Le, L O Perotto, A Scalabre, A Aimé, A Ezanno, B Malgras, P Bouche, S Tzedakis, E Cotte, O Glehen, V Kepenekian, J Lifante, G Passot, A D'Urso, E Felli, D Mutter, P Pessaux, B Seeliger, J Bardet, R Berry, G Boddaert, S Bonnet, E Brian, C Denet, D Fuks, D Gossot, M Grigoroiu, A Laforest, Y Levy-Zauberman, C Louis-Sylvestre, A Moumen, G Pourcher, A Seguin-Givelet, E Tribillon, E Duchalais, F Espitalier, C Ferron, O Malard, U Bork, M Distler, J Fritzmann, J Kirchberg, C Praetorius, C Riediger, J Weitz, T Welsch, P Wimberger, K Beyer, C Kamphues, J Lauscher, F N Loch, C Schineis, M Albertsmeier, M Angele, A Kappenberger, H Niess, T Schiergens, J Werner, R Becker, J Jonescheit, I Pergolini, D Reim, C Boeker, I Hakami, J Mall, P Liokatis, W Smolka, K Nowak, T Reinhard, F Hölzle, A Modabber, P Winnand, M Knitschke, P Kauffmann, S Wolfer, J Kleeff, K Lorenz, C Michalski, U Ronellenfitsch, R Schneider, E Bertolani, A Königsrainer, M W Löffler, M Quante, C Steidle, L ÜberrÜck, C Yurttas, C S Betz, J Bewarder, A Böttcher, S Burg, C Busch, M Gosau, A Heuer, J Izbicki, T O Klatte, D Koenig, N Moeckelmann, C Nitschke, M Priemel, R Smeets, U Speth, S Thole, F G Uzunoglu, T Vollkommer, N Zeller, M J Battista, K Gillen, A Hasenburg, S Krajnak, V Linz, R Schwab, K Angelou, D Haidopoulos, A Rodolakis, P Antonakis, K Bramis, L Chardalias, I Contis, N Dafnios, D Dellaportas, G Fragulidis, A Gklavas, M Konstadoulakis, N Memos, I Papaconstantinou, A Polydorou, T Theodosopoulos, A Vezakis, M I Antonopoulou, D K Manatakis, N Tasis, N Arkadopoulos, N Danias, P Economopoulou, P Kokoropoulos, A Larentzakis, N Michalopoulos, J Selmani, T Sidiropoulos, V Tsaousis, P Vassiliu, K Bouchagier, S Klimopoulos, D Paspaliari, G Stylianidis, K Baxevanidou, K Bouliaris, P Chatzikomnitsa, M Efthimiou, A Giaglaras, C Kalfountzos, G Koukoulis, A M Ntziovara, K Petropoulos, K Soulikia, I Tsiamalou, K Zervas, S Zourntou, I Baloyiannis, A Diamantis, E Gkrinia, J Hajiioannou, C Korais, O Koukoura, K Perivoliotis, A Saratziotis, C Skoulakis, D Symeonidis, K Tepetes, G Tzovaras, D Zacharoulis, V Alexoudi, K Antoniades, I Astreidis, P Christidis, D Deligiannidis, T Grivas, O Ioannidis, I Kalaitsidou, L Loutzidou, A Mantevas, D Michailidou, K Paraskevopoulos, S Politis, A Stavroglou, D Tatsis, I Tilaveridis, K Vahtsevanos, G Venetis, I Karaitianos, T Tsirlis, A Charalabopoulos, T Liakakos, E Mpaili, D Schizas, E Spartalis, A Syllaios, C Zografos, C Anthoulakis, C Christou, V Papadopoulos, A Tooulias, D Tsolakidis, G Tsoulfas, D Zouzoulas, E Athanasakis, E Chrysos, J Tsiaoussis, S Xenaki, E Xynos, K Futaba, M F Ho, S F Hon, Twc Mak, Ssm Ng, C C Foo, B Banky, N Suszták, M Aremu, A Canas-Martinez, O Cullivan, C Murphy, P Owens, L Pickett, L Akmenkalne, J Byrne, M Corrigan, C Cullinane, A Daly, C Fleming, P Jordan, S Killeen, N Lynch, A McCarthy, H Mustafa, S O'Brien, P O'Leary, Was Syed, L Vernon, D Callanan, L Huang, A Ionescu, P Sheahan, I Balasubramanian, M Boland, K Conlon, D Evoy, N Fearon, T Gallagher, J Geraghty, H Heneghan, N Kennedy, D Maguire, D McCartan, E W McDermott, R S Prichard, D Winter, D Alazawi, C Barry, T Boyle, W Butt, E M Connolly, N Donlon, C Donohue, B A Fahey, R Farrell, C Fitzgerald, J Kinsella, J O Larkin, P Lennon, P J Maguire, P Mccormick, B J Mehigan, H Mohan, T Nugent, H O'Sullivan, N Ravi, J V Reynolds, A Rogers, P Shokuhi, J Smith, L A Smith, C Timon, Y Bashir, G Bass, T Connelly, B Creavin, H Earley, J A Elliott, A Gillis, D Kavanagh, P Neary, J O'riordan, I S Reynolds, D Rice, P Ridgway, M Umair, M Whelan, P Carroll, C Collins, K Corless, L Finnegan, A Fowler, A Hogan, M Kerin, A Lowery, P McAnena, K McKevitt, K Nizami, É Ryan, A Samy, J C Coffey, R Cunningham, M Devine, D Nally, C Peirce, S Tormey, N Hardy, P Neary, S O'Malley, M Ryan, S Macina, N M Mariani, E Opocher, A Pisani Ceretti, F Ferrari, F Odicino, E Sartori, C Cotsoglou, S Granieri, F Bianco, A Camillo, M Colledan, S Tornese, M F Zambelli, G Bissolotti, S Fusetti, F Lemma, M V Marino, A Mirabella, G Vaccarella, C Agostini, G Alemanno, I Bartolini, C Bergamini, A Bruscino, C Checcucci, R De Vincenti, A Di Bella, M Fambrini, L Fortuna, G Maltinti, P Muiesan, F Petraglia, P Prosperi, M N Ringressi, M Risaliti, F Sorbi, A Taddei, R Tucci, C Bassi, L Bortolasi, T Campagnaro, L Casetti, M De Pastena, A Esposito, M Fontana, A Guglielmi, L Landoni, G Malleo, G Marchegiani, S Nobile, S Paiella, C Pedrazzani, S Rattizzato, A Ruzzenente, R Salvia, G Turri, M Tuveri, P Bellora, G D'Aloisio, M Ferrari, E Francone, S Gentilli, H Nikaj, M Bianchini, M Chiarugi, F Coccolini, G Di Franco, N Furbetta, D Gianardi, S Guadagni, L Morelli, M Palmeri, D Tartaglia, G Anania, P Carcoforo, M Chiozza, A De Troia, M Koleva Radica, M Portinari, M G Sibilla, A Urbani, N Fabbri, C V Feo, S Gennari, S Parini, E Righini, L Ampollini, L Bellanti, M Bergonzani, G Bertoli, G Bocchialini, G D'Angelo, D Lanfranco, L Musini, T Poli, G P Santoro, A Varazzani, L Aguzzoli, G Borgonovo, C Castro Ruiz, S Coiro, G Falco, V D Mandato, V Mastrofilippo, M T Montella, V Annessi, M Zizzo, U Grossi, S Novello, M Romano, S Rossi, G Zanus, G Esposito, F Frongia, A Pisanu, M Podda, C Belluco, A Lauretta, G Montori, L Moras, M Olivieri, F Bussu, A G Carta, M L Cossu, P Cottu, A Fancellu, C F Feo, G C Ginesu, G Giuliani, M Madonia, T Perra, A Piras, A Porcu, D Rizzo, A M Scanu, A Tedde, M Tedde, P Delrio, D Rega, G Badalamenti, G Campisi, A Cordova, M Franza, G Maniaci, G Rinaldi, F Toia, M Calabrò, F Farnesi, E G Lunghi, A Muratore, N S Pipitone Federico, F Bàmbina, G D'Andrea, P Familiari, V Picotti, G De Palma, G Luglio, G Pagano, F P Tropeano, L Baldari, G A Beltramini, L Boni, E Cassinotti, A Gianni, L Pignataro, S Torretta, C Abatini, M Baia, D Biasoni, G Bogani, P Cadenelli, V Capizzi, Spb Cioffi, D Citterio, L V Comini, M Cosimelli, M Fiore, S Folli, M Gennaro, L Giannini, A Gronchi, M Guaglio, A Macchi, F Martinelli, V Mazzaferro, A Mosca, S Pasquali, C Piazza, F Raspagliesi, L Rolli, R Salvioni, G Sarpietro, C Sarre, L Sorrentino, A Agnes, S Alfieri, F Belia, A Biondi, V Cozza, A D'Amore, D D'Ugo, V De Simone, A Fagotti, G Gasparini, L Gordini, F Litta, C P Lombardi, L Lorenzon, A A Marra, F Marzi, A Moro, A Parello, E Perrone, R Persiani, C Ratto, F Rosa, G Saponaro, G Scambia, O Scrima, G Sganga, R Tudisco, A Belli, V Granata, F Izzo, R Palaia, R Patrone, F M Carrano, M M Carvello, A De Virgilio, F Di Candido, F Ferreli, F Gaino, G Mercante, V Rossi, A Spinelli, G Spriano, D M Donati, T Frisoni, E Palmerini, A Aprile, F Barra, P Batistotti, S Ferrero, P Fregatti, S Scabini, M Sparavigna, E Asti, D Bernardi, L Bonavina, A Lovece, L Adamoli, M Ansarin, S Cenciarelli, F Chu, R De Berardinis, U Fumagalli Romario, F Mastrilli, G Pietrobon, M Tagliabue, E Badellino, A Ferrero, R Massobrio, A De Manzoni Garberini, P Federico, P Maida, E Marra, G Marte, A Petrillo, T Tammaro, A Tufo, M Berselli, G Borroni, E Cocozza, L Conti, M Desio, L Livraghi, V Quintodei, A Rizzi, A Zullo, C Baldi, C Corbellini, G M Sampietro, P Cellerino, E Baldini, P Capelli, L Conti, S M Isolani, M Ribolla, A Bondurri, F Colombo, L Ferrario, C Guerci, A Maffioli, T Armao, M Ballabio, P Bisagni, A Gagliano, M Longhi, M Madonini, P PizziCni, A M Baietti, M Biasini, P Maremonti, F Neri, G M Prucher, S Ricci, F Ruggiero, A G Zarabini, R Barmasse, S Mochet, L Morelli, A Usai, F Bianco, P Incollingo, S Mancini, L Marino Cosentino, A Sagnotta, R Fruscio, T Grassi, L C Nespoli, N Tamini, A Anastasi, B Bartalucci, A Bellacci, G Canonico, L Capezzuoli, C Di Martino, P Ipponi, C Linari, M Montelatici, T Nelli, G Spagni, L Tirloni, A Vitali, E Abate, M Casati, T Casiraghi, L Laface, M Schiavo, A Arminio, A Cotoia, V Lizzi, F Vovola, R Vergari, S D'Ugo, N Depalma, M G Spampinato, P Bartolucci, G Brachini, P Bruzzaniti, A Chiappini, V Chiarella, F Ciccarone, P M Cicerchia, B Cirillo, G De Toma, A Di Bartolomeo, E Fiori, G B Fonsi, G Franco, A Frati, M Giugliano, I Iannone, F La Torre, P Lapolla, C Leonardo, G Marruzzo, S Meneghini, A Mingoli, D Ribuffo, M Salvati, A Santoro, P Sapienza, A K Scafa, L Simonelli, M Zambon, G T Capolupo, F Carannante, M Caricato, G Mascianà, E Mazzotta, A Gattolin, M Migliore, R Rimonda, D Sasia, E Travaglio, M Cervellera, A Gori, L Sartarelli, V Tonini, M Giacometti, S Zonta, A Chessa, A Fiorini, C Norcini, G Colletti, M Confalonieri, A Costanzi, C Frattaruolo, G Mari, M Monteleone, A Bandiera, L Bocciolone, G Bonavina, M Candiani, G Candotti, P De Nardi, F Gagliardi, M Medone, P Mortini, G Negri, P Parise, M Piloni, P Sileri, A Vignali, A Belvedere, P Bernante, P Bertoglio, S Boussedra, E Brunocilla, R Cipriani, G Cisternino, E De Crescenzo, P De Iaco, G Dondi, F Frio, E Jovine, F Mineo Bianchi, J Neri, D Parlanti, A M Perrone, A P Pezzuto, M Pignatti, V Pinto, G Poggioli, M Ravaioli, M Rottoli, R Schiavina, M Serenari, M Serra, P Solli, M Taffurelli, M Tanzanu, M Tesei, T Violante, S Zanotti, F Borghi, D Cianflocca, S Di Maria Grimaldi, D Donati, E Gelarda, P Geretto, G Giraudo, M C Giuffrida, A Marano, S Palagi, L Pellegrino, C Peluso, V Testa, F Agresta, D Prando, M Zese, F Aquila, C Gambacciani, L Lippa, F Pieri, O S Santonocito, G Armatura, G Bertelli, A Frena, P Marinello, F Notte, 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Uyanik, B Göksoy, E Bozkurt, B Citgez, M Mihmanli, M Tanal, G Yetkin, M Akalin, C Arican, E K Avci, C Aydin, S Demirli Atici, M Emiroglu, T Kaya, E Kebabçi, G Kilinc, Y Kirmizi, H Ogucu, S Salimoglu, I Sert, C Tugmen, K Tuncer, G Uslu, D Yesilyurt, E Karaman, A Kolusari, A Yildiz, O Benson, H Lule, J Agilinko, A Ahmeidat, M Barabasz, M Bekheit, L K Cheung, T Colloc, W Cymes, M Elhusseini, G Gradinariu, A Hannah, B S Kamera, G Mignot, S Shaikh, P Sharma, I Abu-Nayla, A Agrawal, A Al-Mohammad, S Ali, J Ashcroft, A Azizi, O Baker, A Balakrishnan, M Byrne, A Colquhoun, A Cotter, P Coughlin, R J Davies, A Durrani, M Elshaer, S Fordington, P Forouhi, F Georgiades, H Grimes, A Habeeb, V Hudson, P Hutchinson, E Irune, A Jah, D Z Khan, A Kolias, H Kyriacou, B Lamb, S Liau, L Luke, R Mahmoud, R Mannion, L Masterson, C G Mitrofan, M Mohan, A Morris, S Murphy, R O'Neill, S Price, J Pushpa-Rajah, W Raby-Smith, J Ramzi, S Rooney, T Santarius, A Singh, G D Stewart, X S Tan, A Townson, E Tweedle, C Walker, S Waseem, S Yordanov, T Jones, A Kattakayam, C Loh, R Lunevicius, S Pringle, A Schache, R Shaw, A Sheel, C Rossborough, D Angelou, M Choynowski, B McAree, A McCanny, D Neely, G Tutoveanu, S Ahad, Mfi De La Cruz Monroy, F Mosley, V Oktseloglou, A Alanbuki, M Patel, A Shabana, E Perera, D Raveendran, K Ravi-Shankar, J Thiruchelvam, L Arrowsmith, W Campbell, T Grove, C Kontovounisios, O Warren, P Rolland, A Aggarwal, S Brown, C Jelley, N Neal, R Clifford, N Eardley, E Krishnan, N Manu, E Martin, S Roy Mahapatra, O L Serevina, C Smith, D Vimalachandran, M Bordenave, R Houston, G Putnam, A Robson, H Tustin, K Emslie, P L Labib, A Marchbank, D Miller, G Minto, J Natale, H Nwinee, P Panahi, L Rogers, A Abubakar, M M Akhter Rahman, E Chan, Kyk Ko, H O'Brien, K Sasapu, H Woodun, R Inglis, H J Ng, A De Gea Rico, N Ghazali, J Lambert, G Markose, S Math, I Sarantitis, D Shrestha, A Sultana, M Taggarsi, S Timbrell, O P Vaz, L Vitone, A Day, H Dent, M Fahim, S Waheed, A Hunt, N Laskar, A Gupta, J Steinke, S Thrumurthy, E Massie, K McGivern, D Rutherford, M Wilson, J Hardie, S Kazzaz, S Handa, M Kaushal, A Kler, P Patel, J Redfern, S Tezas, Y Aawsaj, S Amonkar, C Barry, L Blackwell, D Blake, J Carter, H Emerson, A Fisher, M Katory, P Korompelis, W McCormick, A Mustafa, L Pearce, N Ratnavelu, R Reehal, L Kretzmer, L Lalou, B Manku, I Parwaiz, J Stafford, M Abdelkarim, A Asqalan, T Gala, S Ibrahim, A Maw, R Mithany, R Morgan, G Sundaram Venkatesan, K Ang, E J Caruana, M F Chowdhry, A Mohammad, A Nakas, S Rathinam, M Boal, O Brown, S Dwerryhouse, S Higgs, A Vallance, E Boyd, V Irvine, A Kirk, G Bakolas, A Boulton, A Chandock, T Khan, M Kumar, P Agoston, A Bille, B Challacombe, S Fraser, K Harrison-Phipps, J King, G Mehra, L Mills, M Najdy, R Nath, L Okiror, J Pilling, V Rizzo, T Routledge, A Sayasneh, L Stroman, A Wali, M Fehervari, C Fotopoulou, N Habib, S Hamrang-Yousefi, Z Jawad, L Jiao, M Pai, J Ploski, P Rajagopal, S Saso, M Sodergren, D Spalding, S Laws, C Hardie, C McNaught, R Alam, A Budacan, J Cahill, M Kalkat, S Karandikar, L Kenyon, D Naumann, A Patel, J Ayorinde, T Chase, T Cuming, A Ghanbari, L Humphreys, S Tayeh, A Aboelkassem Ibrahim, R Bichoo, H Cao, Akw Chai, J Choudhury, C Evans, H Fitzjohn, H Ikram, M Langstroth, M Loubani, A McMillan, S Nazir, Ssa Qadri, A Robinson, E Ross, T Sehgal, A Wilkins, J Dixon, J Dunning, K Freystaetter, M Jha, S Lester, A Madhavan, S V Thulasiraman, Y Viswanath, T Curl-Roper, C Delimpalta, Ccl Liao, V Velchuru, E Westwood, E Belcher, G Bond-Smith, S Chidambaram, F Di Chiara, K Fasanmade, L Fraser, H Fu, M Ganau, S Gore, J Graystone, D Jeyaretna, H Khatkar, M Lami, M Maher, S Mastoridis, R Mihai, R Piper, S Prabhu, Obf Risk, U Selbong, K Shah, R Smillie, H Soleymani Majd, S Sravanam, D Stavroulias, G D Tebala, M Vatish, C Verberne, K Wallwork, S Winter, M I Bhatti, H Boyd-Carson, E Elsey, E Gemmill, P Herrod, M Jibreel, E Lenzi, T Saafan, D Sapre, T Sian, N Watson, A Athanasiou, G Bourke, L Bradshaw, A Brunelli, J Burke, P Coe, F Costigan, H Elkadi, M Ho, J Johnstone, A Kanatas, V Kantola, A Kaufmann, A Laios, S Lam, E MacInnes, S Munot, C Nahm, M Otify, C Pompili, I Smith, G Theophilou, G Toogood, R Wade, D Ward, C West, S Annamalai, C Ashmore, A Boddy, T Hossain, A Kourdouli, A Gvaramadze, A Jibril, L Prusty, D Thekkinkattil, A Harky, M Shackcloth, A Askari, C Chan, N Cirocchi, S Kudchadkar, K Patel, J Sagar, S Shaw, R Talwar, M Abdalla, R Edmondson, O Ismail, D Jones, K Newton, N Stylianides, A Aderombi, U Andaleeb, O Bajomo, K Beatson, W Garrett, M Mehmood, V Ng, R Al-Habsi, G S Divya, B Keeler, B Al-Sarireh, R Egan, R Harries, A Henry, M Kittur, Z Li, K Parkins, F Soliman, N Spencer, D Thompson, C Burgess, C Gemmell, C Grieco, M Hollyman, L Hunt, J Morrison, S Ojha, N Ryan, F Abbadessa, S Barnard, C Chan, N Dawe, J Hammond, Ali F Mahmoud, I McPherson, C Mellor, J Moir, S Pandanaboyana, J Powell, B Rai, A Rogers, C Roy, A Sachdeva, C Saleh, S Tingle, T Williams, J Manickavasagam, C McDonald, N McGrath, N McSorley, K Ragupathy, L Ramsay, A Solth, O Kakisi, K Seebah, I Shaikh, L Sreedharan, M Youssef, J Shah, P Ameerally, N McLarty, S Mills, A Shenfine, K Sahnan, J Abu, E Addae-Boateng, D Bratt, L Brock, N Burnside, S Cadwell-Sneath, K Gajjar, C Gan, C Grundy, K Hallam, K Hassell, M Hawari, A Joshi, H Khout, K Konstantinidi, Rxn Lee, D Nunns, R Schiemer, T Walton, H Weaver, L Whisker, K Williamson, J McVeigh, R Myatt, M A Williams, R Kaur, E Leung, S Sundar, M Michel, S Patil, S Ravindran, J Sarveswaran, L Scott, M Edmond, E King, M Almond, A Bhangu, O Breik, L D Cato, A Desai, S Ford, E Griffiths, M Idle, M Kamal, A Kisiel, R Kulkarni, Jkc Mak, T Martin, P Nankivell, A Parente, S Parmar, A M Pathanki, L Phelan, P Praveen, S Saeed, N Sharma, J Singh, F Tirotta, D Vijayan, A Geddes, J McCaul, J McMahon, A H Khan, F Khan, A Mansuri, S Mukherjee, M Patel, M Sarigul, S Singh, K L Tan, A Woodham, A Adiamah, H Brewer, A Chowdhury, J Evans, D Humes, J Jackman, A Koh, C Lewis-Lloyd, O Oyende, J Reilly, D Worku, P Cool, G Cribb, K Shepherd, C Bisset, S Moug, N Elson, G Faulkner, P Saleh, C Underwood, G Brixton, L Findlay, T Klatte, A Majkowska, J Manson, R Potter, A Bhalla, Z Chia, P Daliya, A Goyal, E Grimley, A Hamad, A Kumar, F L Malcolm, E Theophilidou, J Bowden, N Campain, I Daniels, C Evans, G Fowler, J John, L Massey, F McDermott, J McGrath, A McLennan, M Ng, J Pascoe, N Rajaretnam, S Bulathsinhala, B Davidson, G Fusai, C Hidalgo Salinas, N Machairas, T Pissanou, J M Pollok, D A Raptis, F Soggiu, H Tzerbinis, S E Xyda, A Beamish, E Davies, R Foulkes, D Magowan, H Nassa, R Ooi, C Price, L Smith, F Solari, A Tang, G Williams, Y Al-Tamimi, A Bacon, N Beasley, D Chew, M Crank, N Ilenkovan, M Macdonald, B Narice, O Rominiyi, A Thompson, I Varley, T Drake, E Harrison, G Linder, J Mayes, R McGregor, R Skipworth, V Zamvar, E Davies, P Hawkin, T Raymond, O Ryska, R Baron, D Dunne, S Gahunia, C Halloran, N Howes, R McKinney, F McNicol, J Russ, P Szatmary, J R Tan, A Thomas, P Whelan, A Anzak, A Banerjee, O Fuwa, F Hughes, J D Jayasinghe, C Knowles, H Kocher, I Leal Silva, F S Ledesma, A Minicozzi, L Navaratne, R Rahman, R Ramamoorthy, C Sohrabi, M Thaha, B Thakur, M Venn, V Yip, R Baumber, J Parry, S Evans, L Jeys, G Morris, M Parry, J Stevenson, N Ahmadi, G Aresu, Z M Barrett-Brown, A S Coonar, H Durio Yates, D Gearon, J Hogan, M King, A Peryt, I S Pradeep, C Smith, M Adishesh, R Atherton, K Baxter, M Brocklehurst, M Chaudhury, N Krishnamohan, J McAleer, G Owens, E Parkin, P Patkar, I Phang, A Aladeojebi, M Ali, B Barmayehvar, A Gaunt, M Gowda, E Halliday, M Kitchen, F Mansour, M Thomas, D Zakai, N Abbassi-Ghadi, H Assalaarachchi, A Currie, M Flavin, A Frampton, M Hague, C Hammer, J Hopper, J Horsnell, S Humphries, A Kamocka, T K Madhuri, S Preston, P Singh, J Stebbing, A Tailor, D Walker, F Aljanadi, M Jones, P Mhandu, C O'Donnell, R Turkington, Z Al-Ishaq, S Bhasin, A S Bodla, A Burahee, A Crichton, R Fossett, N Pigadas, S Pickford, E Rahman, D Snee, R Vidya, N Yassin, F Colombo, D Fountain, M T Hasan, K Karabatsou, R Laurente, O Pathmanaban, A Al-Mukhtar, S Brown, J Edwards, A Giblin, C Kelty, M Lee, G Lye, T Newman, A Sharkey, C Steele, N Sureshkumar Shah, E Whitehall, R Athwal, A Baker, L Jones, C Konstantinou, S Ramcharan, S Singh, J Vatish, R Wilkin, M Ethunandan, G K Sekhon, H Shields, R Singh, F Wensley, S Lawday, A Lyons, T Abbott, S Anwar, K Ghufoor, C Sohrabi, E Chung, R Hagger, A Hainsworth, A Karim, H Owen, A Ramwell, K Williams, C Baker, A Davies, J Gossage, M Kelly, W Knight, J Hall, G Harris, G James, C Kang, D J Lin, A D Rajgor, T Royle, R Scurrah, B Steel, L J Watson, D Choi, R Hutchison, A Jain, V Luoma, H Marcus, R May, A Menon, B Pramodana, L Webber, I A Aneke, P Asaad, B Brown, J Collis, S Duff, A Khan, F Moura, B Wadham, H Warburton, T Elmoslemany, M Jenkinson, C Millward, R Zakaria, S Mccluney, C Parmar, S Shah, J Allison, M S Babar, B Collard, S Goodrum, K Lau, A Patel, R Scott, E Thomas, H Whitmore, D Balasubramaniam, B Jayasankar, S Kapoor, A Ramachandran, A Elhamshary, Smb Imam, K Kapriniotis, V Kasivisvanathan, J Lindsay, S Rakhshani-Moghadam, N Beech, M Chand, L Green, N Kalavrezos, H Kiconco, R McEwen, C Schilling, D Sinha, J Pereca, J Singh, S Chopra, D Egbeare, R Thomas, T Combellack, Sef Jones, M Kornaszewska, M Mohammed, A Sharma, G Tahhan, V Valtzoglou, J Williams, P Eskander, K Gash, L Gourbault, M Hanna, T Maccabe, C Newton, J Olivier, S Rozwadowski, E Teh, D West, H Al-Omishy, M Baig, H Bates, G Di Taranto, K Dickson, N Dunne, C Gill, D Howe, D Jeevan, A Khajuria, K Martin-Ucar AMcEvoy, P Naredla, V Ng, S Robertson, M Sait, D R Sarma, S Shanbhag, T Shortland, S Simmonds, J Skillman, N Tewari, G Walton, M A Akhtar, A Brunt, J McIntyre, K Milne, M M Rashid, A Sgro, K E Stewart, A Turnbull, M Aguilar Gonzalez, S Talukder, C Boyle, D Fernando, K Gallagher, A Laird, D Tham, M Bath, P Patki, C Sohrabi, C Tanabalan, T Arif, C Magee, T Nambirajan, S Powell, R Vinayagam, I Flindall, A Hanson, V Mahendran, S Green, M Lim, L MacDonald, V Miu, L Onos, K Sheridan, R Young, F Alam, O Griffiths, C Houlden, R Jones, V S Kolli, A K Lala, S Leeson, R Peevor, Z Seymour, L Chen, E Henderson, A Loehrer, K Brown, D Fleming, A Haynes, C Heron, C Hill, H Kay, E Leede, K McElhinney, K Olson, E C Osterberg, C Riley, P Srikanth, M Thornhill, D Blazer, G DiLalla, E S Hwang, W Lee, M Lidsky, J Plichta, L Rosenberger, R Scheri, K Shah, K Turnage, J Visgauss, S Zani, J Farma, J Clark, D Kwon, E Etchill, H E Gabre-Kidan AJenny, A Kent, M Ladd, C Long, H Malapati, A Margalit, S Rapaport, J Rose, K Stevens, L Tsai, D Vervoort, P Yesantharao, A Dehal, D Klaristenfeld, K Huynh, L Brown, I Ganly, J Mullinax, N Gusani, J Hazelton, J Maines, J S Oh, A Ssentongo, P Ssentongo, M Azam, A Choudhry, W Marx, J Fleming, A Fuson, J Gigliotti, A Ovaitt, Y Ying, M K Abel, V Andaya, K Bigay, M A Boeck, L Chen, H Chern, C Corvera, I El-Sayed, A Glencer, P Ha, Bcs Hamilton, C Heaton, K Hirose, D M Jablons, K Kirkwood, L Z Kornblith, J R Kratz, R Lee, P N Miller, E Nakakura, B Nunez-Garcia, R O'Donnell, D Ozgediz, P Park, B Robinson, A Sarin, B Sheu, M Varma, K Wai, R Wustrack, M J Xu, D Beswick, J Goddard, J Manor, J Song, T Fullmer, C Gaskill, N Gross, K Kiong, C L Roland, S N Zafar, M Abdallah, A Abouassi, M Almasri, G Kulkarni, H Marwan, M Mehdi, S Aoun, V S Ban, H H Batjer, J Caruso, D Abbott, A Acher, T Aiken, J Barrett, E Foley, P Schwartz, S N Zafar, A Hawkins, A Maiga, J Laufer, S Scasso
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Aged, 80 and over ,Male ,Critical Care ,SARS-CoV-2 ,International Cooperation ,COVID-19 ,Middle Aged ,Cohort Studies ,Logistic Models ,Postoperative Complications ,Elective Surgical Procedures ,Neoplasms ,Outcome Assessment, Health Care ,Humans ,Female ,Epidemics ,Aged - Abstract
PURPOSE As cancer surgery restarts after the first COVID-19 wave, health care providers urgently require data to determine where elective surgery is best performed. This study aimed to determine whether COVID-19–free surgical pathways were associated with lower postoperative pulmonary complication rates compared with hospitals with no defined pathway. PATIENTS AND METHODS This international, multicenter cohort study included patients who underwent elective surgery for 10 solid cancer types without preoperative suspicion of SARS-CoV-2. Participating hospitals included patients from local emergence of SARS-CoV-2 until April 19, 2020. At the time of surgery, hospitals were defined as having a COVID-19–free surgical pathway (complete segregation of the operating theater, critical care, and inpatient ward areas) or no defined pathway (incomplete or no segregation, areas shared with patients with COVID-19). The primary outcome was 30-day postoperative pulmonary complications (pneumonia, acute respiratory distress syndrome, unexpected ventilation). RESULTS Of 9,171 patients from 447 hospitals in 55 countries, 2,481 were operated on in COVID-19–free surgical pathways. Patients who underwent surgery within COVID-19–free surgical pathways were younger with fewer comorbidities than those in hospitals with no defined pathway but with similar proportions of major surgery. After adjustment, pulmonary complication rates were lower with COVID-19–free surgical pathways (2.2% v 4.9%; adjusted odds ratio [aOR], 0.62; 95% CI, 0.44 to 0.86). This was consistent in sensitivity analyses for low-risk patients (American Society of Anesthesiologists grade 1/2), propensity score–matched models, and patients with negative SARS-CoV-2 preoperative tests. The postoperative SARS-CoV-2 infection rate was also lower in COVID-19–free surgical pathways (2.1% v 3.6%; aOR, 0.53; 95% CI, 0.36 to 0.76). CONCLUSION Within available resources, dedicated COVID-19–free surgical pathways should be established to provide safe elective cancer surgery during current and before future SARS-CoV-2 outbreaks.
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- 2021
9. Excited state dynamics of organo-lanthanide electroluminescent phosphors: the properties of Tb(tb-pmp) (sub)3 and Gd(tb-pmp) (sub)3
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Thorne, J. R. G., Rey, J. M., Denning, R. G., Watkins, S. E., Etchells, M., Green, M., and Christou, V.
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Chemistry, Physical and theoretical -- Research ,Dynamics -- Physiological aspects ,Excited state chemistry -- Research ,Rare earth metals -- Physiological aspects ,Phosphorus -- Physiological aspects ,Gadolinium -- Physiological aspects ,Chemicals, plastics and rubber industries - Published
- 2002
10. High resolution x-ray photoemission study of plasma oxidation of indium-tin-oxide thin film surfaces
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Christou, V., Etchells, M., Renault, O., Dobson, P.J., Salata, O.V., Beamson, G., and Egdell, R.G.
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High resolution spectroscopy -- Usage ,Thin films -- Research ,Physics - Abstract
High resolution x-ray photoemission spectroscopy was used to investigated the effects of plasma oxidation on electronic structures of indium-tin-oxide thin films.
- Published
- 2000
11. A low reflectivity multilayer cathode for organic light-emitting diodes
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Renault, O, Salata, O.V, Etchells, M, Dobson, P.J, and Christou, V
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- 2000
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12. On count time series prediction
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Christou, V., Fokianos, Konstantinos, and Fokianos, Konstantinos [0000-0002-0051-711X]
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Statistics and Probability ,Independent and identically distributed random variables ,Series (mathematics) ,Applied Mathematics ,scoring rules ,Negative binomial distribution ,Estimator ,quasi-likelihood ,prediction ,Poisson distribution ,calibration ,symbols.namesake ,Quasi-likelihood ,probability integral transformation plot ,Modeling and Simulation ,Statistics ,sharpness ,symbols ,Statistics, Probability and Uncertainty ,Time series ,Count data ,Mathematics - Abstract
We consider the problem of assessing prediction for count time series based on either the Poisson distribution or the negative binomial distribution. By a suitable parametrization we employ both distributions with the same mean. We regress the mean on its past values and the values of the response and after obtaining consistent estimators of the regression parameters, regardless of the response distribution, we employ different criteria to study the prediction problem. We show by simulation and data examples that scoring rules and diagnostic graphs that have been proposed for independent but not identically distributed data can be adapted in the setting of count dependent data. © 2013, © 2013 Taylor & Francis. 85 2 357 373 Cited By :4
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- 2015
13. Quasi-likelihood inference for negative binomial time series models
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Christou, V., Fokianos, Konstantinos, and Fokianos, Konstantinos [0000-0002-0051-711X]
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Link function ,Observation-driven model ,Generalized linear models ,Mixed Poisson processes ,Autocorrelation ,Ergodicity ,Weak dependence ,Prediction ,Diagnostics - Abstract
We study inference and diagnostics for count time series regression models that include a feedback mechanism. In particular, we are interested in negative binomial processes for count time series. We study probabilistic properties and quasi-likelihood estimation for this class of processes. We show that the resulting estimators are consistent and asymptotically normally distributed. These facts enable us to construct probability integral transformation plots for assessing any assumed distributional assumptions. The key observation in developing the theory is a mean parameterized form of the negative binomial distribution. For transactions data, it is seen that the negative binomial distribution offers a better fit than the Poisson distribution. This is an immediate consequence of the fact that transactions can be represented as a collection of individual activities that correspond to different trading strategies. © 2013 Wiley Publishing Ltd. 35 1 55 78 Cited By :9
- Published
- 2014
14. Excited State Dynamics of Organo-Lanthanide Electroluminescent Phosphors: The Properties of Tb(tb-pmp)3 and Gd(tb-pmp)3
- Author
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Thorne, J. R. G., primary, Rey, J. M., additional, Denning, R. G., additional, Watkins, S. E., additional, Etchells, M., additional, Green, M., additional, and Christou, V., additional
- Published
- 2002
- Full Text
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15. Efficient single layer organic light emitting diodes based on a Terbium pyrazolone complex
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Moon, D.G, primary, Salata, O.V, additional, Etchells, M, additional, Dobson, P.J, additional, and Christou, V, additional
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- 2001
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16. High-Efficiency Organic Electroluminescent Devices Using an Organoterbium Emitter
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Capecchi, S., primary, Renault, O., additional, Moon, D.-G., additional, Halim, M., additional, Etchells, M., additional, Dobson, P. J., additional, Salata, O. V., additional, and Christou, V., additional
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- 2000
- Full Text
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17. British Dental Journal
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Christou, V, primary, Timmerman, M F, additional, Danser, M M, additional, Harradine, N W T, additional, Pearson, M H, additional, Bergström, K, additional, and Halling, A, additional
- Published
- 1999
- Full Text
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18. ChemInform Abstract: Alkyl‐, Silyl‐, and Germyl‐Substituted Thiolate, Selenolate, and Tellurolate Derivatives and Interconversion of Silyl Species by Chalcogen Metathesis.
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BONASIA, P. J., primary, CHRISTOU, V., additional, and ARNOLD, J., additional
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- 1993
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19. New molecular lanthanide materials for organic electroluminescent devices
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Christou, V., Salata, O. V., Ly, T. Q., Capecchi, S., Bailey, N. J., Cowley, A., and Chippindale, A. M.
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- 2000
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20. Syntheses, spectroscopic characteristics and thermolytic rearrangements of bis-[(trimethylgermyl)methyl]platinum(II) and bis-[(trimethylstannyl)methyl]platinum(II) complexes
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Christou, V. and Young, G. B.
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- 1996
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21. Cerebellar granulocytic sarcoma in an infant with CD56+ acute monoblastic leukemia
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Psiachou-Leonard, E., Paterakis, G., Stefanaki, K., Mikraki-Christou, V., and Haidas, S.
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- 2001
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22. Probabilistic simulation of power transmission systems affected by hurricane events based on fragility and AC power flow analyses
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Ma, L., Christou, V., and Paolo Bocchini
23. Efficient computational models for the optimal representation of correlated regional hazard
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Christou, V. and Paolo Bocchini
- Abstract
In this paper, a methodology is presented for the generation of an optimal set of maps representing the intensity of a natural disaster over a region. In regional hazard and loss analysis, maps like these are commonly used to compute the probability of exceeding certain levels of intensity at all sites, while also providing information on the correlation among the intensity at any pair of sites. The information on the spatial correlation between two locations is of utmost importance for the accurate disaster performance assessment of lifeline components and of distributed systems. However, traditional hazard maps (such as those provided by USGS) do not provide this essential information, but only the probability of exceedance of a specific intensity at the various sites, considered individually. Therefore, many researches have attempted to address this problem and incorporate correlation in their models, mainly with two basic approaches. The first approach includes analytic or computational methodologies to assess directly the correlation; the second approach is adopted by techniques for the selection of a representative set of intensity maps, ofter referred to as “regional hazard-consistent maps”. The methodology presented herein, which branches out from the previous two approaches, considers the intensity maps as random fields. By adopting this abstract perspective, the new methodology is particularly appropriate for a multi-hazard approach, and it can take advantage of tools for the optimal sampling of multi-dimensional stochastic functions. These tools ensure that the weighted ensemble of generated samples (i.e., intensity maps) tends to match all the probabilistic properties of the field, including the correlation. In fact, the samples generated by the proposed methodology fully capture the marginal hazard at each location and the correlated regional hazard. After the technique is presented, an application is provided, for the case of seismic ground motion intensity maps.
24. 168P Characterization of tumor response with lenvatinib (LEN) in patients (pts) with unresectable hepatocellular carcinoma (uHCC) in REFLECT.
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Mahipal, A., Cheng, A-L., Kudo, M., Burgoyne, A., Kalyan, A., Lencioni, R., Lopez, C., Pracht, M., Daniele, B., Palmer, D., Baron, A., Park, J-W., Estenson, K., Christou, V., Ren, M., and Vogel, A.
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- *
HEPATOCELLULAR carcinoma , *TUMORS - Published
- 2024
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25. ABSTRACTS.
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Christou, V, Timmerman, M F, Danser, M M, Harradine, N W T, Pearson, M H, Bergström, K, and Halling, A
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- *
DENTISTRY , *DENTAL care - Abstract
Discusses abstracts of studies related to dentistry and dental care published in different journals in 1998. 'Comparison of different approaches of interdental oral hygiene: interdental brushes versus dental floss,' by V. Christou et al; 'Evaluation of the incidence of gingival abrasion as a result of toothbrushing,' by M.M. Danser et al.
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- 1999
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26. Evaluating the Window Size's Role in Automatic EEG Epilepsy Detection.
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Christou V, Miltiadous A, Tsoulos I, Karvounis E, Tzimourta KD, Tsipouras MG, Anastasopoulos N, Tzallas AT, and Giannakeas N
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- Humans, Electroencephalography methods, Neural Networks, Computer, Algorithms, Signal Processing, Computer-Assisted, Epilepsy diagnosis
- Abstract
Electroencephalography is one of the most commonly used methods for extracting information about the brain's condition and can be used for diagnosing epilepsy. The EEG signal's wave shape contains vital information about the brain's state, which can be challenging to analyse and interpret by a human observer. Moreover, the characteristic waveforms of epilepsy (sharp waves, spikes) can occur randomly through time. Considering all the above reasons, automatic EEG signal extraction and analysis using computers can significantly impact the successful diagnosis of epilepsy. This research explores the impact of different window sizes on EEG signals' classification accuracy using four machine learning classifiers. The machine learning methods included a neural network with ten hidden nodes trained using three different training algorithms and the k-nearest neighbours classifier. The neural network training methods included the Broyden-Fletcher-Goldfarb-Shanno algorithm, the multistart method for global optimization problems, and a genetic algorithm. The current research utilized the University of Bonn dataset containing EEG data, divided into epochs having 50% overlap and window lengths ranging from 1 to 24 s. Then, statistical and spectral features were extracted and used to train the above four classifiers. The outcome from the above experiments showed that large window sizes with a length of about 21 s could positively impact the classification accuracy between the compared methods.
- Published
- 2022
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27. Machine Learning Algorithms and Statistical Approaches for Alzheimer's Disease Analysis Based on Resting-State EEG Recordings: A Systematic Review.
- Author
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Tzimourta KD, Christou V, Tzallas AT, Giannakeas N, Astrakas LG, Angelidis P, Tsalikakis D, and Tsipouras MG
- Subjects
- Algorithms, Brain, Electroencephalography, Humans, Machine Learning, Alzheimer Disease diagnosis
- Abstract
Alzheimer's Disease (AD) is a neurodegenerative disorder and the most common type of dementia with a great prevalence in western countries. The diagnosis of AD and its progression is performed through a variety of clinical procedures including neuropsychological and physical examination, Electroencephalographic (EEG) recording, brain imaging and blood analysis. During the last decades, analysis of the electrophysiological dynamics in AD patients has gained great research interest, as an alternative and cost-effective approach. This paper summarizes recent publications focusing on (a) AD detection and (b) the correlation of quantitative EEG features with AD progression, as it is estimated by Mini Mental State Examination (MMSE) score. A total of 49 experimental studies published from 2009 until 2020, which apply machine learning algorithms on resting state EEG recordings from AD patients, are reviewed. Results of each experimental study are presented and compared. The majority of the studies focus on AD detection incorporating Support Vector Machines, while deep learning techniques have not yet been applied on large EEG datasets. Promising conclusions for future studies are presented.
- Published
- 2021
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28. EEG-Based Eye Movement Recognition Using Brain-Computer Interface and Random Forests.
- Author
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Antoniou E, Bozios P, Christou V, Tzimourta KD, Kalafatakis K, G Tsipouras M, Giannakeas N, and Tzallas AT
- Subjects
- Algorithms, Bayes Theorem, Electroencephalography, Eye Movements, Humans, Movement, Signal Processing, Computer-Assisted, Brain-Computer Interfaces
- Abstract
Discrimination of eye movements and visual states is a flourishing field of research and there is an urgent need for non-manual EEG-based wheelchair control and navigation systems. This paper presents a novel system that utilizes a brain-computer interface (BCI) to capture electroencephalographic (EEG) signals from human subjects while eye movement and subsequently classify them into six categories by applying a random forests (RF) classification algorithm. RF is an ensemble learning method that constructs a series of decision trees where each tree gives a class prediction, and the class with the highest number of class predictions becomes the model's prediction. The categories of the proposed random forests brain-computer interface (RF-BCI) are defined according to the position of the subject's eyes: open, closed, left, right, up, and down. The purpose of RF-BCI is to be utilized as an EEG-based control system for driving an electromechanical wheelchair (rehabilitation device). The proposed approach has been tested using a dataset containing 219 records taken from 10 different patients. The BCI implemented the EPOC Flex head cap system, which includes 32 saline felt sensors for capturing the subjects' EEG signals. Each sensor caught four different brain waves (delta, theta, alpha, and beta) per second. Then, these signals were split in 4-second windows resulting in 512 samples per record and the band energy was extracted for each EEG rhythm. The proposed system was compared with naïve Bayes, Bayes Network, k-nearest neighbors (K-NN), multilayer perceptron (MLP), support vector machine (SVM), J48-C4.5 decision tree, and Bagging classification algorithms. The experimental results showed that the RF algorithm outperformed compared to the other approaches and high levels of accuracy (85.39%) for a 6-class classification are obtained. This method exploits high spatial information acquired from the Emotiv EPOC Flex wearable EEG recording device and examines successfully the potential of this device to be used for BCI wheelchair technology.
- Published
- 2021
- Full Text
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29. Improving the Accuracy of Low-Cost Sensor Measurements for Freezer Automation.
- Author
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Koritsoglou K, Christou V, Ntritsos G, Tsoumanis G, Tsipouras MG, Giannakeas N, and Tzallas AT
- Abstract
In this work, a regression method is implemented on a low-cost digital temperature sensor to improve the sensor's accuracy; thus, following the EN12830 European standard. This standard defines that the maximum acceptable error regarding temperature monitoring devices should not exceed 1 °C for the refrigeration and freezer areas. The purpose of the proposed method is to improve the accuracy of a low-cost digital temperature sensor by correcting its nonlinear response using simple linear regression (SLR). In the experimental part of this study, the proposed method's outcome (in a custom created dataset containing values taken from a refrigerator) is compared against the values taken from a sensor complying with the EN12830 standard. The experimental results confirmed that the proposed method reduced the mean absolute error (MAE) by 82% for the refrigeration area and 69% for the freezer area-resulting in the accuracy improvement of the low-cost digital temperature sensor. Moreover, it managed to achieve a lower generalization error on the test set when compared to three other machine learning algorithms (SVM, B-ELM, and OS-ELM).
- Published
- 2020
- Full Text
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30. Smile outcome comparison of Invisalign and traditional fixed-appliance treatment: A case-control study.
- Author
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Christou T, Abarca R, Christou V, and Kau CH
- Subjects
- Adolescent, Adult, Case-Control Studies, Humans, Incisor, Treatment Outcome, Young Adult, Orthodontic Appliances, Fixed, Orthodontic Appliances, Removable
- Abstract
Introduction: The purpose of this study was to evaluate and compare smile treatment outcomes between patients treated with Invisalign clear aligners (Align Technology, Santa Clara, Calif) and those treated with traditional fixed appliances by integrating variables such as lip symmetry, smile index, smile cant, buccal corridors, and gingival display into smile outcome evaluation., Methods: Records from 58 patients, 29 of whom received Invisalign treatment (mean age 19.03 years) and 29 of whom received traditional fixed-appliance treatment (mean age 13.83 years), were compared for their smile outcome. Pretreatment scores, posttreatment scores, and differences between within-group smile score before and after treatment were determined for each group. Fifteen variables comprised the smile outcome, and the data were analyzed with the Mann-Whitney U test and the Wilcoxon t test for 2 dependent samples., Results: Six variables within the fixed-appliance group presented with better smile scores than those within the Invisalign group; buccal corridors (%) (mean difference = 8.42%), buccal corridors (mm) (5.35 mm), smile cant (0.42°), maxillary dental midline (0.21 mm), gingival display (0.56 mm), and smile index (1.09%) for P <0.05. Invisalign performed better on 2 variables that determined maxillary incisor position (1.26 mm) and inclination (2.09°). No significant difference (for P = 0.05) was shown between pretreatment and posttreatment scores for either of the 2 groups., Conclusions: Using the 15 variables in this study, the results suggested that for patients with Class I nonextraction, treatment with traditional fixed appliances changes the patient's smile more than Invisalign treatment, and fixed appliances appear to be more effective in improving the variables that quantify posttreatment smile outcome., (Copyright © 2019 American Association of Orthodontists. Published by Elsevier Inc. All rights reserved.)
- Published
- 2020
- Full Text
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31. Novel insights into the metabolic pathway of iprodione by soil bacteria.
- Author
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Campos M, Karas PS, Perruchon C, Papadopoulou ES, Christou V, Menkissoglou-Spiroudi U, Diez MC, and Karpouzas DG
- Subjects
- Aminoimidazole Carboxamide metabolism, Aniline Compounds metabolism, Biodegradation, Environmental, Metabolic Networks and Pathways, Oxazoles metabolism, Propanil metabolism, Aminoimidazole Carboxamide analogs & derivatives, Bacteria metabolism, Fungicides, Industrial metabolism, Hydantoins metabolism, Soil Microbiology
- Abstract
Microbial degradation constitutes the key soil dissipation process for iprodione. We recently isolated a consortium, composed of an Arthrobacter sp. strain C1 and an Achromobacter sp. strain C2, that was able to convert iprodione to 3,5-dichloroaniline (3,5-DCA). However, the formation of metabolic intermediates and the role of the strains on iprodione metabolism remain unknown. We examined the degradation of iprodione and its suspected metabolic intermediates, 3,5-dichlorophenyl-carboxamide (metabolite I) and 3,5-dichlorophenylurea-acetate (metabolite II), by strains C1 and C2 and their combination under selective (MSM) and nutrient-rich conditions (LB). Bacterial growth during degradation of the tested compounds was determined by qPCR. Strain C1 rapidly degraded iprodione (DT
50 = 2.3 h) and metabolite II (DT50 = 2.9 h) in MSM suggesting utilization of isopropylamine, transiently formed by hydrolysis of iprodione, and glycine liberated during hydrolysis of metabolite II, as C and N sources. In contrast, strain C1 degraded metabolite I only in LB and growth kinetics suggested the involvement of a detoxification process. Strain C2 was able to transform iprodione and its metabolites only in LB. Strain C1 degraded vinclozolin, a structural analog of iprodione, and partially propanil, but not procymidone and phenylureas indicating a structure-dependent specificity related to the substituents of the carboxamide moiety.- Published
- 2017
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32. Comparison of different approaches of interdental oral hygiene: interdental brushes versus dental floss.
- Author
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Christou V, Timmerman MF, Van der Velden U, and Van der Weijden FA
- Subjects
- Adult, Analysis of Variance, Dental Plaque prevention & control, Female, Gingivitis prevention & control, Humans, Male, Oral Hygiene Index, Patient Acceptance of Health Care, Periodontal Attachment Loss prevention & control, Periodontal Index, Statistics, Nonparametric, Dental Devices, Home Care, Oral Hygiene methods, Periodontitis therapy, Toothbrushing instrumentation
- Abstract
The purpose of the present study was to compare in untreated patients suffering from moderate to severe periodontitis the efficacy of dental floss (DF) and interdental brushes (IDB) in the reduction of plaque, gingival inflammation, and probing depth in a 6-week period prior to subgingival debridement. Twenty-six patients (12 female, 14 male; mean age 37.4 years; range 27 to 72 years) were instructed to use DF for one side of the dentition and IDB for the other side as an adjunct to the daily toothbrushing for 6 weeks. Oral hygiene instructions for toothbrushing and the use of the two devices were given at baseline and at week 3. Measurements were carried out at baseline and at 6 weeks including plaque scores, probing depth, and 2 bleeding scores (periodontal pocket bleeding index and angulated bleeding index). With the IDB, the approximal plaque score at baseline of 3.09 reduced to 2.15 at 6 weeks and with DF from 3.10 to 2.47, respectively. IDB proved to remove significantly more plaque than DF. Baseline probing depth of 5.84 mm for IDB sites and 5.59 mm for DF sites was reduced to 5.01 mm at 6 weeks for both regimens. Analysis showed that the use of IDB resulted in a greater pocket reduction. Both bleeding indices were slightly reduced with IDB and DF, but no differences between devices were found. In relation to patient acceptance, more problems were observed with DF, and IDB were felt to be more efficacious. In conclusion, the results of the present study indicate that in combination with a manual toothbrush, the use of interdental brushes is more effective in removal of plaque and results in a larger reduction of probing depth than the use of dental floss. Although the differences were small, they indicate, in combination with patient preferences, that interdental brushes are to be considered preferable to floss for interdental plaque removal in patients suffering from moderate to severe periodontitis.
- Published
- 1998
- Full Text
- View/download PDF
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