[1] Erasmus MC—University Medical Center Rotterdam,The Generation R Study Group
[2] Erasmus MC—University Medical Center Rotterdam,Department of Public Health
[3] Netherlands Organization for Applied Scientific Research,Department of Child Health, TNO
[4] Erasmus MC—University Medical Center Rotterdam,Department of Pediatric Respiratory Medicine
[5] Health Act CHQ Inc.,Department of General Practice
[6] Erasmus MC—University Medical Center Rotterdam,Department of Pediatrics
[7] Erasmus MC—University Medical Center Rotterdam,Department of Epidemiology
[8] Erasmus MC—University Medical Center Rotterdam,undefined