1. Neonatal Medicine Section; Service de Pédiatrie & Médecine Néonatale, Victor Jousselin Hospital; Dreux France
2. Pediatric Surgery Section, Département Médico-Chirurgical de Pédiatrie; Poitiers University Teaching Hospital; Poitiers France
3. Antenatal Diagnosis Section, Obstetrics & Gynecology Department; Poitiers University Teaching Hospital; Poitiers France
4. Pediatric Surgery Department; Rennes University Teaching Hospital; Rennes France
5. Pediatric Surgery Department; Angers University Teaching Hospital; Angers France
6. Pediatric Surgery Department; Dijon University Teaching Hospital; Dijon France