1 Inserm U1153, Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Epopé), Center for Epidemiology and Statistics-Paris University, DHU Risks in Pregnancy, Paris Descartes University, Paris, France.
2 Department of Emergency Medicine, CHU Lille, Pediatric and Neonatal Intensive Care Transport Unit, Lille, France.
3 Department of Neonatal Medicine, CHICréteil, Créteil, France.