1. Neonatal Intensive Care Unit Lille University Jeanne de Flandre Hospital and Faculty of Medicine Lille France
2. Division of Pediatrics Maternity Ward Lille University Jeanne de Flandre Hospital and Faculty of Medicine Lille France
3. Department of Biostatistics Lille University Hospital and Faculty of Medicine Lille France
4. Division of Gastroenterology, Hepatology and Nutrition Department of Pediatrics Lille University Jeanne de Flandre Hospital and Faculty of Medicine Lille France