1. Department of Dermatology and Medical Research Institute, Yangsan Pusan National University Hospital, Busan, Korea.
2. Department of Pathology, Yangsan Pusan National University Hospital, Busan, Korea.
3. Department of Internal Medicine, Yangsan Pusan National University Hospital, Busan, Korea.
4. Department of Orthopedics, Dong-A University Medical Center, Busan, Korea.