[1] Sungkyunkwan Univ, Dept Phys & Rehabil Med, Ctr Prevent & Rehabil, Heart Vasc & Stroke Inst,Samsung Med Ctr,Sch Med, Seoul, South Korea
[2] Chungnam Natl Univ, Sch Med, Dept Rehabil Med, Taejon, South Korea
[3] Konkuk Univ, Sch Med, Dept Rehabil Med, Seoul, South Korea
[4] Yonsei Univ, Coll Med, Dept & Res Inst Rehabil Med, Seoul, South Korea
[5] Chonnam Natl Univ, Dept Phys & Rehabil Med, Sch Med, Kwangju, South Korea
[6] Pusan Natl Univ, Sch Med, Dept Rehabil Med, Pusan 609735, South Korea
[7] Wonkwang Univ, Coll Med, Dept Publ Hlth & Prevent Med, Iksan, South Korea
[8] Kyungpook Natl Univ, Dept Rehabil Med, Coll Med, Taegu, South Korea
[9] Wonkwang Univ, Dept Rehabil Med, Sch Med, Iksan, South Korea
[10] Univ Jeju, Jeju Univ Hosp, Coll Med, Dept Rehabil Med, Cheju, South Korea
[11] Korea Ctr, Osong, South Korea
[12] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Ctr Cardiovasc & Stroke Imaging,Heart Vasc & Stro, Seoul, South Korea