1. Department of Dermatology Tohoku University Graduate School of Medicine SendaiJapan
2. Department of Dermato‐Oncology/Dermatology Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital TokyoJapan
3. Department of Geriatric and Environmental Dermatology Nagoya City University Graduate School of Medical Sciences NagoyaJapan
4. Department of Dermatology Faculty of University of Tsukuba TsukubaJapan
5. Department of Dermatology Wakayama Medical University WakayamaJapan
6. Department of Dermatology Kyushu University FukuokaJapan
7. Department of Dermato‐Oncology/Dermatology National Hospital Organization Kagoshima Medical Center KagoshimaJapan
8. Department of Dermatology Jichi Medical School Nagoya Japan