[1] Sapporo Med Univ, Sch Hlth Sci, Dept Phys Therapy, S 1,W 17,Chuo Ku, Sapporo, Hokkaido 0608556, Japan
[2] Tokyo Metropolitan Univ, Dept Hlth Promot Sci, 1-1 Minami Osawa, Hachioji, Tokyo 1920397, Japan
[3] Sapporo Med Univ Hosp, Div Rehabil, S 1,W 17,Chuo Ku, Sapporo, Hokkaido 0608556, Japan
[4] Sapporo Med Univ, Sch Med, Dept Rehabil Med, S 1,W 17,Chuo Ku, Sapporo, Hokkaido 0608556, Japan
[5] Hokkaido Chitose Coll Rehabil, Dept Rehabil, Fac Hlth Sci, 2-10 Satomi, Chitose, Hokkaido 0660055, Japan