[1] Univ Siena, Dept Mol & Dev Med, Post Grad Sch Publ Hlth, Siena, Italy
[2] Hosp San Michele, Rehabil Unit, Albenga, SV, Italy
[3] Univ Siena, Dept Mol & Dev Med, Siena, Italy
[4] Hosp Santa Corona, Funct Recovery & Rehabil Dept, Pietra Ligure, SV, Italy