1. Department of Clinical Pathology, School of Medicine, Kyungpook National University, Daegu 41405, Republic of Korea
2. Division of Rheumatology, Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu 41405, Republic of Korea
3. Laboratory for Arthritis and Bone Biology, Fatima Research Institute, Daegu Fatima Hospital, Daegu 41199, Republic of Korea