[1] Université Pierre et Marie Curie-Paris6,Department of Paediatric Orthopaedics
[2] Armand Trousseau Hospital,Department of Obstetrics and Gynecology II
[3] Cochin Port-Royal Hospital,Department of Neurosurgery
[4] Roger Salengro Hospital,Pediatric Intensive Care Unit
[5] Hôpital Robert Debré,Department of Paediatric Orthopaedics
[6] Robert Debré Hospital,Department of Paediatric Orthopaedics
[7] Necker-Enfants Malades Hospital,undefined