[1] Inje Univ, Dept Rehabil Med, Sanggye Paik Hosp, Seoul, South Korea
[2] Sungkyunkwan Univ, Div Cardiol, Dept Med, Sch Med, Seoul, South Korea
[3] Chonnam Natl Univ, Chonnam Natl Univ Hosp, Dept Phys Med & Rehabil, Med Sch, Gwangju, South Korea
[4] Chungnam Natl Univ, Chungnam Natl Univ Hosp, Dept Rehabil Med, Coll Med, Daejeon, South Korea
[5] Natl Hlth Insurance Serv Ilsan Hosp, Dept Phys Med & Rehabil, Goyang, South Korea
[6] Dong Univ, Dept Phys Med & Rehabil, Coll Med, Busan, South Korea
[7] Seoul Natl Univ, Seoul Natl Univ Bundang Hosp, Dept Rehabil Med, Coll Med, Seoul, South Korea
[8] Chungbuk Natl Univ, Dept Rehabil Med, Coll Med, Cheongju, South Korea
[9] Kangwon Natl Univ, Dept Rehabil Med, Sch Med, Chunchon, South Korea
[10] Inha Univ Hosp, Dept Phys Med & Rehabil, Incheon, South Korea
[11] Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Dept Rehabil Med, Sch Med, Daegu, South Korea
[12] Jeju Natl Univ, Jeju Natl Univ Hosp, Dept Rehabil Med, Coll Med, Jeju, South Korea
[13] Wonkwang Univ, Wonkwang Univ Hosp, Dept Rehabil Med, Med Sch, Iksan, South Korea
[14] Univ Ulsan, Ulsan Univ Hosp, Dept Phys Med & Rehabil, Coll Med, Ulsan, South Korea