[1] Catholica Univ Korea, Seoul St Marys Hosp, Div Endocrinol & Metab, Dept Internal Med, Seoul, South Korea
[2] Hanyang Univ, Dept Internal Med, Coll Med, Seoul, South Korea
[3] Korea Univ, Div Endocrinol & Metab, Dept Internal Med, Coll Med, Seoul, South Korea
[4] Seoul Natl Univ, Dept Internal Med, Coll Med, Seoul, South Korea
[5] Eulji Univ, Dept Internal Med, Nowon Eulji Med Ctr, Sch Med, Daejeon, South Korea
[6] Catholica Univ Korea, Eunpyeong St Marys Hosp, Div Endocrinol & Metab, Dept Internal Med,Coll Med, Seoul, South Korea
[7] Konkuk Univ, Div Endocrinol & Metab, Dept Internal Med, Sch Med, Seoul, South Korea
[8] Univ Ulsan, Div Endocrinol & Metab, Dept Med, Asan Med Ctr,Coll Med, Ulsan, South Korea
[9] Yonsei Univ, Endocrine Res Inst, Dept Internal Med, Coll Med, Seoul, South Korea
[10] Yonsei Univ, Dept Internal Med, Wonju Coll Med, 20 Ilsan Ro, Wonju 26426, South Korea
[11] Yonsei Univ, Res Inst Metab & Inflammat, Wonju Coll Med, 20 Ilsan Ro, Wonju 26426, South Korea
[12] Sungkyunkwan Univ, Sch Med, Dept Radiol, Samsung Med Ctr, Seoul, South Korea
[13] Sungkyunkwan Univ, Dept Surg, Samsung Med Ctr, Sch Med, Seoul, South Korea
[14] Seoul Natl Univ, Dept Pathol, Coll Med, Seoul, South Korea
[15] Yonsei Univ, Dept Lab Med, Wonju Coll Med, Wonju, South Korea
[16] Inje Univ, Coll Med, Dept Internal Med, Haeundae Paik Hosp, 875 Haeun Daero, Busan 48108, South Korea