1. University of Groningen; University Medical Center Groningen; Department of Epidemiology; GRIAC Research Institute; Groningen The Netherlands
2. University of Groningen; University Medical Center Groningen, Department of Pulmonary Medicine, GRIAC Research Institute; Groningen The Netherlands
3. University of Groningen; University Medical Center Groningen; Department of Pediatric Pulmonology and Pediatric Allergology; GRIAC Research Institute; Groningen The Netherlands
4. Centre for Prevention and Health Services Research; National Institute for Public Health and the Environment; Bilthoven The Netherlands
5. Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht The Netherlands
6. Department of Pediatrics; Erasmus University Medical Center; Sophia Children's Hospital; Rotterdam The Netherlands
7. Institute for Risk Assessment Sciences; Utrecht University; Utrecht The Netherlands