1. Division of Dermatology; Nagasaki Chuo National Hospital; Omura Japan
2. Nagasaki Research Institute of Cutaneous Tumors; Nagasaki Japan
3. Division of Dermatology; Saga National Hospital; Saga Japan
4. Department of Dermatology; Nagasaki University School of Medicine; Nagasaki Japan
5. Division of Dermatology; Ekisaikai Nagasaki Hospital; Nagasaki Japan