1. Department of Dermatology; National Hospital Organization; Sagamihara National Hospital; Sagamihara; Japan
2. Department of Human Pathology; Tokyo Medical and Dental University Graduate School; Tokyo; Japan
3. Department of Pathology; Sagamihara National Hospital; Sagamihara; Japan
4. Department of Allergology; National Hospital Organization; Sagamihara National Hospital; Sagamihara; Japan
5. Leprosy Research Center; National Institute of Infectious Diseases; Tokyo; Japan