[1] Jikei Univ, Sch Med, Dept Rehabil Med, Tokyo, Japan
[2] Kimura Hosp, Dept Rehabil Med, Sabae, Japan
[3] Jikei Univ, Dept Resp Med, Kashiwa Hosp, Kashiwa, Japan
[4] Jikei Univ, Dept Rehabil Med, Sch Med, 3-25-8 Nishi Shimbashi,Minato Ku, Tokyo 1058461, Japan