1. Department of Dermatology; Jichi Medical University, Shimotsuke
2. Department of Dermatology; Nihon University School of Medicine, Tokyo
3. Department of Dermatology; Tokai University School of Medicine, Isehara
4. Department of Geriatric and Environmental Dermatology; Nagoya City University Graduate School of Medical Science, Nagoya
5. Department of Dermatology; Kochi Medical School; Kochi University, Kochi
6. Department of Dermatology; Asahikawa Medical College, Asahikawa
7. Division of Dermatology; Tokyo Postal Services Agency Hospital, Tokyo
8. Division of Dermatology; NTT Medical Center Tokyo, Tokyo
9. Division of Dermatology; Social Health Insurance Medical Center, Tokyo
10. Department of Dermatology; National Hospital Organization; Sagamihara National Hospital, Sagamihara
11. Kojinkai Sapporo Skin Clinic, Sapporo
12. Department of Dermatology; The Jikei University School of Medicine, Tokyo; Japan