Torsten Zuberbier, Julia Saueressig, Joaquim Mullol, Glenis Scadding, João Fonseca, G. Walter Canonica, Eric Van Ganse, Claus Bachert, Bolesław Samoliński, Olga Lourenço, Oliver Pfaar, Philippe Devillier, Ann-Kathrin Stroh, Wienczyslawa Czarlewski, Jean Bousquet, Ludger Klimek, Elísio Costa, Piotr Kuna, Detlef Schroder-Bernhardi, Victoria Cardona, Sophie Scheire, Nhan Pham Thi, Institut Català de la Salut, [Bousquet J] Charité Universitätsmedizin Berlin, Humboldt-Universität zu Berlin, Berlin, Germany. Department of Dermatology and Allergy, Comprehensive Allergy Center, Berlin Institute of Health, Berlin, Germany. University Hospital Montpellier, Montpellier, France. MACVIA-France, Montpellier, France. [Schröder-Bernhardi D] IQVIA Consumer Health, Frankfurt, Germany. [Bachert C] Upper Airways Research Laboratory, ENT Dept, Ghent University Hospital, Ghent, Belgium. International Airway Research Center, First Affiliated Hospital Guangzou, Sun Yat-sen University, Guangzou, China. Division of ENT Diseases, CLINTEC, Karolinska Institutet, Stockholm, Sweden. Department of ENT Diseases, Karolinska University Hospital, Stockholm, Sweden. [Canonica GW] Personalized Medicine Asthma, & Allergy Clinic-Humanitas University & Research Hospital, IRCCS-Milano, Milano, Italy. [Cardona V] Servei d’Al·lergologia, Servei de Medicina Interna, Vall d'Hebron Hospital Universitari, Barcelona, Spain. ARADyAL Research Network, Barcelona, Spain. [Costa EM] UCIBIO, REQUINTE, Faculty of Pharmacy and Competence Center on Active and Healthy Ageing of University of Porto (Porto4Ageing), Porto, Portugal, Vall d'Hebron Barcelona Hospital Campus, uBibliorum, Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Charité - UniversitätsMedizin = Charité - University Hospital [Berlin], Berlin Institute of Health (BIH), Contre les MAladies Chroniques pour un VIeillissement Actif en Languedoc-Roussillon (MACVIA-LR), Université Montpellier 1 (UM1)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre Hospitalier Universitaire de Nîmes (CHU Nîmes)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-European Innovation Partnership on Active and Healthy Ageing Reference Site (EIP on AHA), Commission Européenne-Commission Européenne-Organisation Mondiale de la Santé / World Health Organization Office (OMS / WHO), IQVIA, Ghent University Hospital, Sun Yat-Sen University [Guangzhou] (SYSU), Karolinska Institutet [Stockholm], Karolinska University Hospital [Stockholm], IRCCS Istituto Nazionale dei Tumori [Milano], Vall d'Hebron University Hospital [Barcelona], Unidade de Ciencias Biomoleculares Aplicadas (UCIBIO), Requimte, Universidade do Porto = University of Porto-Departamento de Química (DQ), Faculdade de Ciências e Tecnologia = School of Science & Technology (FCT NOVA), Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Faculdade de Ciências e Tecnologia = School of Science & Technology (FCT NOVA), Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Universidade do Porto = University of Porto-Departamento de Química (DQ), Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Universidade Nova de Lisboa = NOVA University Lisbon (NOVA), Hôpital Foch [Suresnes], Universidade do Porto = University of Porto, University Medical Center [Mainz], Medical University of Łódź (MUL), University of Beira Interior [Portugal] (UBI), Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona (UB), Philipps Universität Marburg = Philipps University of Marburg, Institut de Recherche Biomédicale des Armées (IRBA), Medical University of Warsaw - Poland, University College of London [London] (UCL), Health Service and Performance Research (HESPER), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon, and Retiveau, Nolwenn