1. Singapore Institute for Clinical Sciences (SICS) Agency for Science, Technology and Research (A*STAR) Singapore City Singapore
2. Medical Research Council Lifecourse Epidemiology Unit Southampton UK
3. Biostatistics Unit Yong Loo Lin School of Medicine National University of Singapore Singapore City Singapore
4. Department of Paediatrics Yong Loo Lin School of Medicine National University of Singapore Singapore City Singapore
5. Khoo Teck Puat‐National University Children’s Medical Institute National University Hospital National University Health System Singapore City Singapore
6. Allergy Service Department of Paediatrics KK Women’s and Children’s Hospital (KKWCH) Singapore City Singapore
7. Respiratory Service Department of Paediatrics KK Women’s and Children’s Hospital (KKWCH) Singapore City Singapore
8. Department of Maternal Fetal Medicine KK Women’s and Children’s Hospital (KKWCH) Singapore City Singapore
9. Department of Obstetrics & Gynaecology and Human Potential Translational Research Programme Yong Loo Lin School of Medicine National University of Singapore and National University Health System Singapore City Singapore
10. Folkhälsan Research Center Helsinki Finland
11. Department of General Practice and Primary Health Care University of Helsinki Helsinki Finland
12. Saw Swee Hock School of Public Health National University of Singapore Singapore City Singapore
13. NIHR Southampton Biomedical Research Centre University of Southampton and University Hospital Southampton NHS Foundation Trust Southampton UK