1. Division of General Medicine, Clinical Department of Internal Medicine, Saitama Medical Center, Jichi Medical University
2. Division of Rheumatology and Clinical Immunology, Jichi Medical University
3. Division of Dermatology, Clinical Department of Surgery, Saitama Medical Center, Jichi Medical University
4. Division of Anatomic and Histopathology, Central Clinical Department, Saitama Medical Center, Jichi Medical University