[1] Eulji Univ, Uijeongbu Eulji Med Ctr, Dept Internal Med, Div Endocrinol & Metab,Sch Med, 712 Dongil Ro, Uijongbu 11759, South Korea
[2] Soonchunhyang Univ, Coll Med, Dept Internal Med, Div Endocrinol & Metab,Gumi Hosp, Gumi, South Korea
[3] Catholic Univ Korea, Bucheon St Marys Hosp, Coll Med, Div Endocrinol & Metab,Dept Internal Med, Bucheon, South Korea
[4] Kyung Hee Univ, Kyung Hee Univ Hosp Gangdong, Coll Med, Dept Endocrinol & Metab, Seoul, South Korea
[5] Konkuk Univ, Med Ctr, Dept Internal Med, Div Endocrinol & Metab, Seoul, South Korea
[6] Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Div Endocrinol & Metab,Dept Internal Med, Daegu, South Korea
[7] Daegu Catholic Univ, Dept Internal Med, Div Endocrinol & Metab, Med Ctr, Daegu, South Korea
[8] Pusan Natl Univ Hosp, Dept Internal Med, Div Endocrinol & Metab, Busan, South Korea
[9] Seoul Natl Univ, Bundang Hosp, Dept Internal Med, Div Endocrinol & Metab,Coll Med, Seongnam, South Korea
[10] Hallym Univ, Kangdong Sacred Heart Hosp, Coll Med, Div Endocrinol & Metab,Dept Internal Med, Seoul, South Korea
[11] Yonsei Univ, Wonju Severance Christian Hosp, Dept Internal Med, Div Endocrinol & Metab,Wonju Coll Med, Wonju, South Korea
[12] Sungkyunkwan Univ, Kangbuk Samsung Hosp, Dept Internal Med, Div Endocrinol & Metab,Sch Med, Seoul, South Korea
[13] Inje Univ, Dept Internal Med, Div Endocrinol & Metab, Busan Paik Hosp, Busan, South Korea
[14] Inje Univ, Ilsan Paik Hosp, Dept Internal Med, Div Endocrinol & Metab, Goyang, South Korea
[15] Changwon Fatima Hosp, Dept Internal Med, Div Endocrinol & Metab, Chang Won, South Korea
[16] Univ Ulsan, Asan Med Ctr, Dept Internal Med, Div Endocrinol & Metab,Coll Med, Seoul, South Korea
[17] Chungbuk Natl Univ, Chungbuk Natl Univ Hosp, Coll Med, Div Endocrinol & Metab,Dept Internal Med, Cheongju, South Korea
[18] Catholic Univ Korea, Seoul St Marys Hosp, Coll Med, Div Endocrinol & Metab,Dept Internal Med, Seoul, South Korea
[19] Konyang Univ Hosp, Dept Internal Med, Div Endocrinol & Metab, Daejeon, South Korea
[20] Kyung Hee Univ, Kyung Hee Univ Hosp, Coll Med, Dept Endocrinol & Metab, Seoul, South Korea
[21] Korea Univ, Anam Hosp, Dept Internal Med, Div Endocrinol & Metab,Coll Med, Seoul, South Korea
[22] Gwangmyeong Sungae Hosp, Dept Internal Med, Div Endocrinol & Metab, Gwangmyeong, South Korea
[23] Ajou Univ, Ajou Univ Hosp, Dept Internal Med, Div Endocrinol & Metab,Sch Med, Suwon, South Korea
[24] Gachon Univ, Gil Med Ctr, Dept Internal Med, Div Cardiol,Coll Med, Incheon, South Korea
[25] Jeju Natl Univ, Dept Internal Med, Div Endocrinol & Metab, Sch Med, Jeju, South Korea
[26] Bundang Jesaeng Hosp, Dept Internal Med, Div Endocrinol & Metab, Seongnam, South Korea
[27] CHA Univ, CHA Bundang Med Ctr, Dept Internal Med, Div Endocrinol & Metab,Sch Med, Seongnam, South Korea
[28] Korea Univ, Coll Med, Dept Internal Med, Div Endocrinol & Metab,Ansan Hosp, Ansan, South Korea
[29] Univ Ulsan, Ulsan Univ Hosp, Dept Internal Med, Div Endocrinol & Metab,Coll Med, Ulsan, South Korea
[30] Busan St Marys Hosp, Dept Internal Med, Div Endocrinol & Metab, Busan, South Korea
[31] Dong A Univ, Dong A Univ Hosp, Dept Internal Med, Div Endocrinol & Metab,Coll Med, Busan, South Korea
[32] Kangwon Natl Univ, Kangwon Natl Univ Hosp, Dept Internal Med, Div Endocrinol & Metab,Sch Med, Chunchon, South Korea
[33] Wonkwang Univ, Wonkwang Univ Hosp, Dept Internal Med, Div Endocrinol & Metab,Sch Med, Iksan, South Korea
[34] Sungae Hosp, Dept Internal Med, Div Endocrinol & Metab, Seoul, South Korea
[35] Soonchunhyang Univ, Coll Med, Dept Internal Med, Div Cardiol,Cheonan Hosp, Cheonan, South Korea
[36] Hallym Univ, Kangnam Sacred Heart Hosp, Coll Med, Div Endocrinol & Metab,Dept Internal Med, Seoul, South Korea
[37] Eulji Univ, Nowon Eulji Med Ctr, Dept Internal Med, Div Endocrinol & Metab,Sch Med, Seoul, South Korea