1. Department of Clinical Science
2. Core Facility for Metabolomics
3. Pathophysiology and Epidemiology of Respiratory Diseases and
4. Department of Global Public Health and Primary Care
5. Faculty of Medicine, University of Iceland, Reykjavik, Iceland
6. Division of Allergy, Department of Pulmonology, University Hospital of Montpellier, Montpellier, France
7. Allergy and Lung Health Unit, Melbourne School of Population Health, University of Melbourne, Melbourne, Australia
8. Department of Surgical and Perioperative Sciences, Umeå University, Umeå, Sweden
9. ISGlobal, Centre for Research in Environmental Epidemiology, Barcelona Biomedical Research Park, Barcelona, Spain
10. Universitat Pompeu Fabra, Barcelona, Spain
11. Centro de Investigación Biomedica en Red (CIBER), Epidemiología y Salud Pública, Barcelona, Spain
12. Department of Pneumology, Hospital San Agustin de Aviles, Oviedo, Spain
13. Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Ludwig Maximilians University Munich, Munich, Germany
14. Department of Occupational and Environmental Medicine, University of Gothenburg, Göteborg, Sweden
15. Department of Respiratory Epidemiology, Occupational Medicine and Public Health, Imperial College London, London, United Kingdom
16. Department of Lung Medicine, Tartu University Clinic, Tartu, Estonia
17. Department of Medical Sciences, Lung, Allergy, and Sleep Research, Uppsala University, Uppsala, Sweden
18. Servicio de Neumología, Servicio de Salud de Castilla – La Mancha, Albacete, Spain
19. Epidemiologia, Salud Pública, Dep. Salud, Gobierno Vasco, Hospital, Galdakao, Spain
20. Pneumologie Pédiatrique, Antenne Pédiatrique du CIC, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
21. Swiss Tropical and Public Health Institute, Basel, Switzerland
22. Department of Public Health, University of Basel, Basel, Switzerland
23. Department of Electronic Engineering, University of Ireland, Maynooth, Ireland
24. U1219, Bordeaux Population Health Research Center, Bordeaux, France
25. Department of Nursing, University of Huelva, Huelva, Spain
26. Department of Public Health, Aarhus University, Aarhus, Denmark
27. National Research Center for the Working Environment, Copenhagen, Denmark
28. Hospital del Mar Medical Research Institute, Barcelona, Spain; and
29. Centre for International Health, and
30. Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway
31. Team of Epidemiology, French National Institute of Health and Medical Research (INSERM), UMR1152, Paris, France
32. Department of Gynecology and Obstetrics, University of Bergen, Bergen, Norway