1. Department of Dermatology; Kitasato University School of Medicine; 1-15-1, Kitasato Sagamihara Kanagawa 228 Japan (Director: Prof. Shigeo Nishiyama)
2. Department of Dermatology; Tokyo Medical and Dental University, School of Medicine; 1-5-45, Yushima Bunkyo-ku Tokyo 113 Japan