1. Department of Women’s and Children’s Health Uppsala University Uppsala Sweden
2. Unit of Epidemiology and Medical Statistics Department of Diagnostics and Public Health University of Verona Verona Italy
3. Division of Respiratory Diseases IRCCS Policlinico San Matteo Foundation Pavia Italy
4. Department of Internal Medicine and Therapeutics University of Pavia Pavia Italy
5. Département de Pneumologie et Addictologie Centre Hospitalier Universitaire de Montpellier Montpellier France
6. Hôpital Arnaud de Villeneuve IDESP INSERM‐Univ Montpellier Montpellier France
7. School of Public Health and Preventive Medicine Monash University Melbourne Vic. Australia
8. Alergia e Imunologia Complexo Hospital de Clinicas Universidade Federal do Parana Curitiba Brazil
9. Department of Public Health and Clinical Medicine Section of Sustainable Health Umeå University Umeå Sweden
10. ISGlobal Barcelona Spain
11. Universitat Pompeu Fabra (UPF) Barcelona Spain
12. CIBER Epidemiología y Salud Pública (CIBERESP) Madrid Spain
13. Department of Sleep Landspitali_the National University Hospital Reykjavik Iceland
14. Faculty of Medicine University of Iceland Reykjavik Iceland
15. Institute and Clinic for Occupational, Social and Environmental Medicine LMU University Clinic Comprehensive Pneumology Center (CPC) Munich Germany
16. German Center for Lung Research (DZL) Gießen Germany
17. Allergy and Lung Health Unit Melbourne School of Population and Global Health The University of Melbourne Melbourne Vic. Australia
18. Lung Clinic Tartu University Hospital Tartu Estonia
19. Centre for International Health Department of Global Public Health and Primary Care University of Bergen Bergen Norway
20. Université Paris‐Saclay UVSQ Univ. Paris‐Sud INSERM Équipe d'Épidémiologie respiratoire intégrative CESP Villejuif France
21. Pneumology Service of the University Hospital of Albacete Albacete Spain
22. Faculty of Medicine of Albacete Castilla‐La Mancha University Albacete Spain
23. Department of Medical Sciences, Respiratory Medicine, Allergy and Sleep Uppsala University Uppsala Sweden
24. Department of Medical Sciences Clinical Physiology Uppsala University Uppsala Sweden
25. Department of Medicine, Health and Social Studies Dalarna University Falun Sweden
26. Section of Occupational and Environmental Medicine Institute of Medicine University of Gothenburg Gothenburg Sweden
27. Unit of Occupational Medicine Department of Diagnostics and Public Health University of Verona Verona Italy
28. Pneumology Service Juan Ramón Jiménez Hospital in Huelva Huelva Spain
29. Univ. Bordeaux INSERM Bordeaux France
30. Service des Maladies Respiratoires Pole cardio‐thoracique CHU Bordeaux France
31. Research Unit for Health Surveys (RUHS) Department of Clinical Sciences University of Bergen Bergen Norway
32. Department of Gynaecology and Obstetrics Haukeland University Hospital Bergen Norway
33. Department of Public Health Danish Ramazzini Center Aarhus University Aarhus Denmark
34. Department of Public Health and Pediatrics University of Turin Turin Italy