1. Department of Obstetrics; Jeanne de Flandre Hospital, CHU Lille; Lille France
2. Department of Neonatology; Jeanne de Flandre Hospital, CHU Lille; Lille France
3. La Louvière Hospital; Lille France
4. Biostatistics Department; Univ-Lille Nord de France, CHU Lille; Lille France
5. Department of Pathology; Biology-Pathology Center, CHU Lille; Lille France
6. Perinatal Environment and Health; Univ-Lille Nord de France; France
7. Department of Pediatric cardiology; Cardiology Hospital, CHU Lille; France