1. Department of Dermatology Tohoku University Graduate School of Medicine Sendai Japan
2. Department of Geriatric and Environmental Dermatology Nagoya City University Graduate School of Medical Sciences Nagoya Japan
3. Faculty of Life Sciences, Department of Dermatology and Plastic Surgery Kumamoto University Kumamoto Japan
4. Department of Dermatology, Graduate School of Medical Science Kyushu University Fukuoka Japan
5. Department of Dermatology Jichi Medical University Shimotsuke Japan
6. Department of Dermatology Ehime University Toon Japan
7. Department of Dermato‐Oncology/Dermatology Cancer Institute Hospital of Japanese Foundation for Cancer Research Tokyo Japan
8. Department of Dermato‐Oncology National Hospital Organization Kyushu Cancer Center Fukuoka Japan
9. Department of Dermato‐Oncology/Dermatology National Hospital Organization Kagoshima Medical Center Kagoshima Japan
10. Department of Dermatology Wakayama Medical University Wakayama Japan