1. Department of Internal Medicine, Yongin Severance Hospital, Yonsei University College of Medicine , Seoul, Republic of Korea
2. Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University , Seoul, Republic of Korea
3. Division of Rheumatology, Department of Internal Medicine, Yongin Severance Hospital, Yonsei University College of Medicine , Yongin, Republic of Korea