1. Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan;
2. Department of Dermatology, Shinshu University School of Medicine, Matsumoto, Japan;
3. Department of Dermatology, Kyoto Prefectural University of Medicine Graduate School of Medical Sciences, Kyoto, Japan;
4. Department of Dermatopathology, Osaka City University Graduate School of Medicine, Osaka, Japan;
5. Department of Dermatology, Northern Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan;
6. Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan;
7. Eisai Co. Ltd., Tokyo, Japan