1 Department of Dermatology, 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 Internal Medicine, Division of Rheumatology, Jeonbuk National University Medical School, Jeonju, South Korea.