1. French National Institute of Health and Medical Research Unit 1153, Obstetrical, Perinatal, and Pediatric Epidemiology Team, Centre of Research in Epidemiology and Statistics Sorbonne Paris CitéParis Descartes University Paris France
2. Department of Neonatal MedicineCHU Lille, Jeanne de Flandre Hospital Lille France
3. Department of Clinical Epidemiology and BiostatisticsCHRU Nancy Nancy France
4. Department of NeonatologyToulouse University Hospital Toulouse France
5. Department of Neonatal Pediatrics and Intensive CareBrest University Hospital Brest France
6. Department of Neonatal PediatricsDijon University Hospital Dijon France
7. Clinical Research Unit, Center for Clinical Investigation P1419Cochin Broca Hôtel‐Dieu Hospital Paris France