1. Department of Internal Medicine, Division of Rheumatology, Jeonbuk National University Medical School, Jeonju, South Korea
2. Research Institute of Clinical Medicine of Jeonbuk National University – Biomedical Research Institute, Jeonbuk National University, Jeonju, South Korea
3. Department of Surgery, Jeonbuk National University Medical School, Jeonju, South Korea
4. Department of Pathology, Jeonbuk National University Medical School, Jeonju, South Korea