1. Division of Rheumatology, Department of Internal Medicine, Haeundae Paik Hospital, College of Medicine, Inje University,
Haeundae-gu Jwa-dong 1435 Busan, South Korea.,
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, Haeundae Paik Hospital, College of Medicine, Inje University,
Busan, South Korea.