1. Division of Dermatological Science; Department of Dermatology; Nihon University School of Medicine; Tokyo Japan
2. Department of Dermatology; Nagoya University Graduate School of Medicine; Nagoya Japan
3. Department of Dermatology; Juntendo University Faculty of Medicine; Tokyo Japan
4. Department of Dermatology; Tokai University School of Medicine; Isehara Japan
5. Department of Dermatology; Kagoshima University School of Medicine; Kagoshima Japan
6. Department of Epidemiology and Environmental Health; Juntendo University Faculty of Medicine; Tokyo Japan
7. Department of Dermatology; Jichi Medical University; Shimotsuke Japan
8. Department of Dermatology; Kochi Medical School; Kochi University; Nankoku Japan
9. Kojinkai; Sapporo Skin Clinic; Sapporo Japan
10. Department of Dermatology; Yamaguchi University School of Medicine; Ube Japan
11. Department of Dermatology; Hyogo College of Medicine; Nishinomiya Japan
12. Department of Dermatology; Kawasaki Medical School; Kurashiki Japan
13. Department of Dermatology; Dentistry and Pharmaceutical Sciences; Okayama University Graduate School of Medicine; Okayama Japan