1. Department of Internal Medicine, Division of Endocrinology and Metabolism, Maryknoll Medical Center, Busan, Republic of Korea
2. Department of Internal Medicine, Division of Rheumatology, Maryknoll Medical Center, Busan, Republic of Korea
3. Department of Internal Medicine, Division of Endocrinology and Metabolism, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Republic of Korea