[1] Univ Grenoble 1, CHU Grenoble, Hop Albert Michallon, Clin Chirurg Plast Main & Brules, F-38000 Grenoble, France
[2] Univ Grenoble 1, GIN, INSERM, U836, F-38000 Grenoble, France
[3] Univ Grenoble 1, Dept Automat, Lab Grenoble Image Parole Signal Automatisat GIPS, CNRS,INPG UJF,UMR 5212, F-38000 Grenoble, France
[4] Univ Lyon 1, Ctr Neurosci Cognit, CNRS, UMR 5229, F-59000 Lyon, France
[5] HUG, Clin Reeduc Main, CH-1205 Geneva, Switzerland
[6] Univ Pierre & Marie Curie Paris I, Lab Imagerie Fonct La Pitie Salpetriere, INSERM, U678, F-75013 Paris, France
[7] CHU Bobigny Paris XIII, Hop Avicenne, Serv Chirurg Orthoped & Traumatol, F-93000 Bobigny, France