[1] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr,Ctr Prevent & Rehabil, Dept Phys & Rehabil Med,Heart Vasc & Stroke Inst, Seoul, South Korea
[2] Pusan Natl Univ, Yangsan Hosp, Coll Med, Dept Rehabil Med, Pusan 609735, South Korea
[3] Chonbuk Natl Univ, Chonbuk Natl Univ Hosp, Dept Phys Med & Rehabil, Res Inst Clin Med,Biomed Res Inst, Jeonju, South Korea
[4] Yonsei Univ, Coll Med, Dept Res, Inst Rehabil Med, Seoul, South Korea
[5] Sungkyunkwan Univ, Samsung Adv Inst Hlth Sci & Technol, Seoul, South Korea
[6] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Ctr Cardiovasc & Stroke Imaging,Heart Vasc & Stro, Seoul, South Korea