[1] Tohoku Univ, Grad Sch Med, Dept Restorat Neuromuscular Rehabil, Sendai, Miyagi 980, Japan
[2] Tohoku Univ, Grad Sch Med, Dept Geriatr & Gerontol, Inst Dev Aging & Canc, Sendai, Miyagi 980, Japan
[3] Sendai Tomizawa Hosp, Sendai, Miyagi, Japan
[4] Tohoku Univ, Grad Sch Med, Div Dev Neurosci, Sendai, Miyagi 980, Japan
[5] Tohoku Univ, Grad Sch Med, Ctr Asian Tradit Med, Sendai, Miyagi 980, Japan