[1] Catholic Kwandong Univ, Dept Internal Med, Div Endocrinol & Metab, Coll Med,Int St Marys Hosp, Incheon, South Korea
[2] Sungkyunkwan Univ, Samsung Adv Inst Hlth Sci & Technol, Dept Clin Res Design & Evaluat, Seoul, South Korea
[3] CKD Pharmaceut Corp, Med Informat & Pharmacovigilance Team, Seoul, South Korea
[4] Yonsei Univ, Dept Internal Med, Div Endocrinol & Metab, Coll Med, 50 Yonsei Ro, Seoul 03722, South Korea