[1] CHU Strasbourg, Serv Orthopedie Traumatol, F-67400 Illkirch Graffenstaden, France
[2] Ctr Chirurg Emile Galle, Serv Orthopedie Traumatol, F-54000 Nancy, France
[3] Hop Pellegrin, Serv Orthopedie Traumatol, F-33076 Bordeaux, France
[4] CHU Toulouse, Inst Appareil Locomoteur, F-31059 Toulouse, France
[5] Soc Francaise Chirurg Orthoped & Traumatol, F-75014 Paris, France