[1] CHU Rouen, Hop Charles Nicolle, Clin Chirurg Infantile, 37 Blvd Gambetta, F-76038 Rouen, France
[2] CHU Lille, Hop Jeanne Flandre, Dept Chirurg Pediat, Ave Eugene Avinee, F-59000 Lille, France
[3] Univ Toulouse 3, CHU Toulouse, Hop Enfants, Dept Chirurg Orthoped Traumatol & Plast Pediat, 330 Ave Grande Bretagne, F-31059 Toulouse, France
[4] Univ Lille Haut De France, F-59037 Lille, France
[5] CHU Rouen, Hop Charles Nicolle, Clin Chirurg Infantile, 37 Blvd Gambetta, F-76038 Rouen, France