1 Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
2 Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany.
3 University Hospital Montpellier, Montpellier, France.
4 MEDCIDS-Department of Community Medicine, Information and Health Decision Sciences; Faculty of Medicine, University of Porto, Porto, Portugal.
5 CINTESIS@RISE-Health Research Network, Faculty of Medicine, University of Porto, Porto, Portugal.
6 National Heart and Lung Institute, Imperial College, London, UK.
7 NIHR Imperial Biomedical Research Centre, London, UK.
8 ISGlobal. ISGlobal, Barcelona Institute for Global Health, Barcelona, Spain.
9 IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain.
11 CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain.
12 Department of Otolaryngology, Head and Neck Surgery, Universitätsmedizin Mainz, Mainz, Germany.
13 Center for Rhinology and Allergology, Wiesbaden, Germany.
14 Department of Biomedical Sciences, Humanitas University, Milan, Italy.
15 IRCCS Humanitas Research Center, Personalized medicine, Asthma and Allergy, Milan, Italy.
16 Medical Consulting Czarlewski, Levallois, France.
17 VIM Suresnes, UMR 0892, Pôle des Maladies des Voies Respiratoires, Hôpital Foch, Université Paris-Saclay, Suresnes, France.
18 Skin and Allergy Hospital, Helsinki University Hospital, and University of Helsinki, Helsinki, Finland.
19 KYomed INNOV, Montpellier, France.
20 Rhinology Unit & Smell Clinic, ENT Department, Hospital Clínic, Barcelona, Spain.
21 Clinical & Experimental Respiratory Immunoallergy, IDIBAPS, CIBERES, University of Barcelona, Barcelona, Spain.
22 Department of Medical Sciences, University of Torino, Torino, Italy.
23 Allergy and Clinical Immunology Unit, Mauriziano Hospital, Torino, Italy.
24 SOS Allergology and Clinical Immunology, USL Toscana Centro, Prato, Italy.
25 Institute of Clinical Medicine, Clinic of Chest Diseases and Allergology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania.
26 Department of Pathology, Faculty of Medicine, Institute of Biomedical Sciences, Vilnius University, Vilnius, Lithuania.
27 Allergy Center, CUF Descobertas Hospital, Lisbon, Portugal.
28 Institute of Medical Statistics and Computational Biology, University of Cologne and ClinCompetence Cologne GmbH, Cologne, Germany.
29 Department of Allergology, Medical University of Gdańsk, Gdansk, Poland.
30 Allergy Department, 2nd Pediatric Clinic, University of Athens, Athens, Greece.
31 Division of Allergy and Clinical Immunology, Department of Medicine, "Santa Maria della Speranza" Hospital, Agency of Health ASL, Salerno, Italy.
32 Postgraduate Program in Allergy and Clinical Immunology, University of Naples Federico II, Naples, Italy.
33 Ecole Polytechnique de Palaiseau, Palaiseau, France.
34 IRBA (Institut de Recherche Bio-Médicale des Armées), Brétigny sur Orge, France.
35 Université Paris Cité, Paris, France.
36 Department of Prevention of Environmental Hazards, Allergology and Immunology, Medical University of Warsaw, Warsaw, Poland.
37 Department of Immunoallergology, Cova da Beira University Hospital Centre, Covilhã, Portugal.
38 UBIAir-Clinical & Experimental Lung Centre and CICS-UBI Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.
39 Allergy Service, Fundacion Jimenez Diaz, Autonoma University of Madrid, CIBERES-ISCIII, Madrid, Spain.
40 Institute of Clinical Medicine and Institute of Health Sciences, Vilnius, Lithuania.
41 Medical Faculty of Vilnius University, Vilnius, Lithuania.
42 Unit of Geriatric Immunoallergology, University of Bari Medical School, Bari, Italy.
43 Institute of Sciences of Food Production, National Research Council (ISPA-CNR), Bari, Italy.
44 Department of Clinical Immunology, Wrocław Medical University, ALL-MED Medical Research Institute, Wroclaw, Poland.
45 Division of Internal Medicine, Asthma and Allergy, Barlicki University Hospital, Medical University of Lodz, Lodz, Poland.
46 Department of Lung Diseases and Clinical Allergology, University of Turku, Turku, Finland.
47 Section of Rhinology and Allergy, Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Marburg, Philipps-Universität Marburg, Marburg, Germany.