[1] Don Carlo Gnocchi Onlus Fdn, Milan, Italy
[2] Policlin Univ Agostino Gemelli Fdn, Rehabil Units, Rome, Italy
[3] Univ Messina, Dept Clin & Expt Med, Messina, Italy
[4] Hosp Clin Univ Sao Paulo, Sao Paulo, Brazil
[5] Univ Cattolica Sacro Cuore, Dept Geriatr Neurosci & Orthopaed, Rome, Italy