[1] Eulji Univ, Sch Med, Uijeongbu Eulji Med Ctr, Div Endocrinol & Metab,Dept Internal 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, Dept Internal Med,Div Endocrinol & Metab, Bucheon, South Korea
[4] Kyung Hee Univ, Kyung Hee Univ Hosp Gangdong, Coll Med, Dept Endocrinol & Metab, Seoul, South Korea
[5] Konkuk Univ, Dept Internal Med, Div Endocrinol & Metab, Med Ctr, Seoul, South Korea
[6] Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Dept Internal Med, Div Endocrinol & Metab,Sch Med, Daegu, South Korea
[7] Daegu Catholic Univ, Div Endocrinol & Metab, Dept Internal Med, 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, Kangnam Sacred Heart Hosp, Div Endocrinol Metab, Dept Internal Med,Coll 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, Coll Med, Div Endocrinol & Metab, Dept Internal Med,Chungbuk Natl Univ Hosp, Cheongju, South Korea
[18] Catholic Univ Korea, Seoul St Marys Hosp, Dept Internal Med, Coll Med,Div Endocrinol & Metab, 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, Coll Med, Dept Internal Med, Div Endocrinol & Metab,Anam Hosp, 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, Coll Med,Div Cardiol, Incheon, South Korea
[25] Jeju Natl Univ, Sch Med, Dept Internal Med, Div Endocrinol & Metab, Jeju, South Korea
[26] Bundang Jesaeng Hosp, Div Endocrinol & Metab, Dept Internal Med, Seongnam, South Korea
[27] CHA Univ, Sch Med, Dept Internal Med, Div Endocrinol & Metab,CHA Bundang Med Ctr, Seongnam, South Korea
[28] Korea Univ, Coll Med, Dept Internal Med, Div Endocrinol & Metab,Ansan Hosp, Ansan, South Korea
[29] Univ Ulsan, Div Endocrinol & Metab, Dept Internal Med, Ulsan Univ Hosp,Coll Med, Ulsan, South Korea
[30] Busan St Marys Hosp, Dept Internal Med, Div Endocrinol & Metab, Busan, South Korea
[31] Dong A Univ, Dept Internal Med, Div Endocrinol & Metab, Coll Med,Dong A Univ Hosp, Busan, South Korea
[32] Kangwon Natl Univ, Kangwon Natl Univ Hosp, Sch Med, Dept Internal Med,Div Endocrinol & Metab, Chunchon, South Korea
[33] Wonkwang Univ, Sch Med, Dept Internal Med, Div Endocrinol & Metab,Wonkwang Univ Hosp, Iksan, South Korea
[34] Sungae Hosp, Div Endocrinol & Metab, Dept Internal Med, Seoul, South Korea
[35] Soonchunhyang Univ, Coll Med, Cheonan Hosp, Div Cardiol,Dept Internal Med, Cheonan, South Korea
[36] Hallym Univ, Div Endocrinol & Metab, Dept Internal Med, Coll Med,Kangnam Sacred Heart Hosp, Seoul, South Korea
[37] Eulji Univ, Sch Med, Nowon Eulji Med Ctr, Dept Internal Med,Div Endocrinol & Metab, Seoul, South Korea