[1] Shimane Univ, Dept Oral & Maxillofacial Surg, Fac Med, Izumo, Shimane, Japan
[2] Fukuoka Dent Coll, Div Pathol, Dept Morphol Biol, Sawara Ku, Fukuoka 8140193, Japan
[3] Sapienza Univ Rome Polo Pontino, Neurorehabil Unit, Latino, Italy
[4] Policlin Italia, Rehabil Ctr, Rome, Italy
[5] C Mondino Fdn, IRCCS Natl Neurol Inst, Neurorehabil Unit, Pavia, Italy
[6] Univ Pavia, Dept Neurol Sci, Pavia, Italy