Affiliation: | (1) Centre for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven, the Netherlands;(2) Department of Epidemiology and Bioinformatics, University of Groningen, Groningen, the Netherlands;(3) Department of Pediatric Pulmonology and Pediatric Allergology, University Medical Center Groningen, Groningen, the Netherlands;(4) Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands |