1. Department of Dermatology; Faculty of Medicine; Fukuoka University; Fukuoka Japan
2. Division of Dermatology; Department of Internal Medicine; Faculty of Medicine; Saga University; Saga Japan
3. Department of Dermatology; University of the Ryukyus, Graduate School of Medicine; Nishihara Japan
4. Department of Dermatology; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama Japan
5. Department of Dermatology; University of Miyazaki; Miyazaki Japan
6. Department of Dermatology; Yamaguchi University Graduate School of Medicine; Ube Japan
7. Hino Dermatology Clinic; Fukutsu Japan
8. Department of Dermatology; University of Occupational and Environmental Health; Kitakyushu Japan
9. Department of Dermatology; Kurume University School of Medicine; Kurume Japan
10. Iisora-Hifuka Clinic; Oita Japan
11. Department of Dermatology; Oita Prefectural Hospital; Oita Japan
12. Department of Dermatology; Faculty of Medicine; Shimane University; Izumo Japan
13. Department of Dermatology; Imamura General Hospital; Kagoshima Japan
14. Department of Dermatology; Kawasaki Medical School; Kawasaki Japan
15. Department of Dermatology; Onomichi General Hospital; Onomichi Japan
16. Division of Dermatology; Hiroshima Prefectural Hospital; Hiroshima Japan
17. Division of Dermatology; Department of Medicine of Sensory and Motor Organs; Faculty of Medicine; Tottori University; Yonago Japan
18. Department of Dermatology; Kyushu Central Hospital; Fukuoka Japan
19. Department of Dermatology; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
20. Department of Dermatology; Fukuyama City Hospital; Fukuyama Japan