1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, the Netherlands.
2 Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands.
3 Centre for Prevention, Lifestyle and Health, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands.
4 Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
5 University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Department of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children's Hospital, Groningen, the Netherlands.
6 Department of Clinical Sciences and Education, Södersjukhuset, Karolinska Institutet, Sweden.
7 University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Department of Epidemiology, Groningen, the Netherlands.
8 Barcelona Institute of Global Health (ISGlobal), Barcelona, Spain.
9 Barcelona Institute of Global Health (ISGlobal), Barcelona, Spain; CIBER Epidemiología y Salud Pública, Madrid, Spain; Universitat Pompeu Fabra, Barcelona, Spain. Electronic address: cathryn.tonne@isglobal.org.
10 Barcelona Institute of Global Health (ISGlobal), Barcelona, Spain; CIBER Epidemiología y Salud Pública, Madrid, Spain; Universitat Pompeu Fabra, Barcelona, Spain. Electronic address: apolline.saucy@unibe.ch.