1. Dermatology Division; Shizuoka Cancer Center Hospital; Shizuoka Japan
2. Department of Dermatology; Sapporo Medical University School of Medicine; Sapporo Japan
3. Pharmacovigilance Division; Ono Pharmaceutical; Osaka Japan
4. Department of Dermatology; Saitama Medical University; Saitama Japan
5. Department of Dermatologic Oncology; National Cancer Center Hospital; Tokyo Japan