1. Université de Paris CRESS Obstetrical Perinatal and Pediatric Epidemiology Research Team EPOPé INSERM INRA Paris France
2. Research Centre of Epidemiology and Statistics (CRESS‐U1153) Université de Paris INSERM Paris France
3. Department of Health Sciences University of Leicester Leicester UK
4. Department of Neonatal Medicine Maternité Port‐Royal Paris France