1. Inserm, U1099; Rennes France
2. Université de Rennes 1, LTSI; Rennes France
3. Department of Pediatrics; Hanoi Medical University; Hanoi Vietnam
4. Neonatal Department; National Hospital of Pediatrics; Hanoi Vietnam
5. Obstetrics Department; CHU Rennes; Rennes France
6. Hanoi French Hospital; Hanoi Vietnam
7. Division of Neonatology and CIC-1414; Department of Pediatrics; CHU Rennes; Rennes France