1. Division of Pediatric Surgery, University of Saint-Etienne, North Hospital, France.
2. Division of Pediatric Surgery, University of Tours, France.
3. Division of Pediatric Surgery, University of Grenoble, France.
4. Division of Pediatric Surgery, University of Besançon, France.
5. Division of Pediatric Surgery, University of Strasbourg, France.
6. Division of Pediatric Surgery, University of Rennes, France.
7. Division of Pediatric Surgery, University of Bordeaux, France.
8. Division of Pediatric Surgery, University of Reims, France.
9. Division of Pediatric Surgery, University of Nantes, France.
10. Division of Pediatric Surgery, University of Lausanne, Switzerland.