1. The Generation R Study Group; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
2. Department of Dermatology; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
3. Department of Pediatrics; Division of Respiratory Medicine and Allergology; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
4. Department of Pediatrics; Division of Neonatology; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
5. Department of Epidemiology; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
6. Department of Internal Medicine; Division of Allergology; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
7. Department of Pediatrics; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
8. Department of Child and Adolescent Psychiatry/Psychology; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands
9. Department of Psychiatry; Erasmus MC; University Medical Center Rotterdam; Rotterdam The Netherlands