1. Department of Dermatology; Tohoku University School of Medicine; Sendai Japan
2. Department of Dermatology; Shinjo Prefectural Hospital; Shinjo Yamagata Pref. Japan
3. Department of Dermatology; Aomori Prefectural Central Hospital; Aomori Japan
4. Department of Dermatology; Sendai National Hospital; Sendai Japan
5. Shiwahime Medical Office; Shiwahime Miyagi Pref. Japan