1. Department of Dermatology Hyogo Prefectural Amagasaki General Medical Center Amagasaki Japan
2. Department of Infectious Diseases Hyogo Prefectural Amagasaki General Medical Center Amagasaki Japan
3. Department of Mycobacteriology, Leprosy Research Center National Institute of Infectious Diseases Higashimurayama Japan
4. National Sanatorium Tamazenshoen Higashimurayama Japan