| Affiliation: | 1. Department of General Practice, Erasmus MC, University Medical Center Rotterdam, Rotterdam, NetherlandsBoth authors contributed equally to this letter.;2. Department of General Practice, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands;3. Centre for Environment and Health – Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium;4. Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain;5. CIBER Epidemiologia y Salud Pública (CIBERESP), Barcelona, Spain;6. Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain;7. Universitat Pompeu Fabra (UPF), Barcelona, Spain;8. Helmholtz Zentrum München, German Research Centre for Environmental Health, Institute of Epidemiology I, Neuherberg, Germany;9. Division of Environmental Epidemiology, Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands;10. Department of Clinical Science and Education, S?dersjukhuset, Karolinska Institutet, Stockholm, Sweden;11. Sach's Children's Hospital, Stockholm, Sweden;12. Institute for environmental medicine, Karolinska Institutet, Stockholm, Sweden;13. Department of Environmental Immunology, FZ–Helmholtz Centre for Environmental Research Leipzig, Leipzig, Germany;14. Institute of Social Medicine, Epidemiology and Health Economics, Charité ‐ Universit?tsmedizin Berlin, Berlin, Germany;15. Klinik für P?diatrie m. S. Pneumologie und Immunologie, Charité ‐ Universit?tsmedizin Berlin, Berlin, Germany;16. Centre for Nutrition, Prevention and Health Services, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands;17. Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium;18. Comprehensive Pneumology Center Munich (CPC‐M), German Center for Lung Research (DZL), Munich, Germany;19. Institute of Clinical Epidemiology and Biometry, University of Wuerzburg, Wuerzburg, Germany;20. Area de Salud de Menorca, IB‐SALUT, Menorca, Spain |
