1. Department of Dermatologic Oncology, National Cancer Center Hospital, Tokyo
2. Department of Obstetrics and Gynecology, Kurume University School of Medicine, Kurume, Fukuoka
3. Department of Dermatology, Toyama Prefectural Central Hospital, Toyama
4. Department of Dermatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Kanagawa
5. Department of Dermatology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima
6. Department of Obstetrics and Gynecology, Tokai University Hospital, Kanagawa
7. Department of Dermatology, Shizuoka Cancer Center, Shizuoka
8. Department of Obstetrics and Gynecology, Niigata University School of Medicine, Niigata, Japan