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 Biostatistics Erasmus MC University Medical Center Rotterdam Rotterdam the Netherlands
6. CUTIS (Clinical Unit for Tests and Imaging of Skin) Evaluation Department Nestlé Skin Health/Galderma Research and Development Sophia‐Antipolis France
7. Department of Epidemiology Erasmus MC University Medical Center Rotterdam Rotterdam the Netherlands
8. Department of Pediatrics Erasmus MC University Medical Center Rotterdam Rotterdam the Netherlands