[1] Yonsei Univ, Wonju Coll Med, Dept Internal Med, Wonju, South Korea
[2] Yonsei Univ, Wonju Coll Med, Cell Therapy & Tissue Engn Ctr, Wonju, South Korea
[3] Korea Univ, Coll Med, Dept Internal Med, 73 Inchon Ro, Seoul 136705, South Korea
[4] Kyungpook Natl Univ, Coll Med, Dept Internal Med, Daegu, South Korea
[5] Inha Univ, Coll Med, Dept Internal Med, Incheon, South Korea
[6] Ulsan Univ, Coll Med, Dept Internal Med, Kangnung, South Korea
[7] Hanyang Univ, Coll Med, Hanyang Univ Guri Hosp, Dept Internal Med, Guri, South Korea
[8] Ulsan Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[9] Gyeongsang Natl Univ, Coll Med, Dept Internal Med, Jinju, South Korea
[10] Konyang Univ, Coll Med, Dept Internal Med, Daejeon, South Korea
[11] Inje Univ, Coll Med, Dept Internal Med, Busan, South Korea
[12] Catholic Univ Korea, Coll Med, Dept Internal Med, Seoul, South Korea
[13] Dong A Univ, Coll Med, Dept Internal Med, Busan, South Korea
[14] Wonkwang Univ, Coll Med, Dept Internal Med, Iksan, South Korea
[15] Hallym Univ, Coll Med, Dept Internal Med, Chunchon, South Korea
[16] Keimyung Univ, Coll Med, Dept Internal Med, Daegu, South Korea
[17] Inje Univ, Coll Med, Dept Internal Med, Goyang, South Korea
[18] Soonchunhyang Univ, Coll Med, Soonchunhyang Univ Hosp Bucheon, Dept Internal Med, Bucheon, South Korea
[19] Konkuk Univ, Sch Med, Dept Internal Med, Seoul, South Korea
[20] Catholic Univ Daegu, Coll Med, Dept Internal Med, Daegu, South Korea
[21] Soonchunhyang Univ, Coll Med, Soonchunhyang Univ Hosp Seoul, Dept Internal Med, Seoul, South Korea
[22] Kyung Hee Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[23] Sungkyunkwan Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[24] Dongguk Univ, Coll Med, Dept Internal Med, Goyang, South Korea
[25] Chung Ang Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[26] Korean Portal Hypertens Study Grp, Seoul, South Korea