1. Division of Dermatology; Tokyo Medical College, Kasumigaura Hospital; 3-20-1, Chuo, Ami Inashiki Ibaraki 300-03 Japan
2. Division of Pathology; Tokyo Medical College, Kasumigaura Hospital; 3-20-1, Chuo, Ami Inashiki Ibaraki 300-03 Japan
3. Division of Dermatology; Hachioji Medical Center of Tokyo Medical College; 1163, Tatemachi Hachioji Tokyo 193 Japan