1. Politecnico di Milano,Department of Electronics, Information and Bioengineering,Milan,Italy (IT)
2. University of Turin,Physical Medicine and Rehabilitation,Department of Surgical Sciences,Turin,Italy (IT)
3. Clinica Hildebrand - Centro di Riabilitazione Brissago,Brissago,Switzerland (CH)
4. Orthopaedic Reahbilitation Unit San Giuseppe Hospital, Istituto Auxologico Italiano, IRCCS,Piancavallo,VB,Italy (IT)