1. Department of Dermatology Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Okayama Japan
2. Department of Dermatology Takamatsu Red Cross Hospital Takamatsu Japan
3. Department of Dermatology Hamamatsu University School of Medicine Shizuoka Japan
4. Department of Dermatology International University of Health and Welfare Chiba Japan
5. Department of Dermatology Fukushima Medical University Fukushima Japan
6. Department of Dermatology Tokyo Medical University Tokyo Japan
7. Department of Dermatology Tokyo Medical University Hachioji Medical Center Tokyo Japan
8. Department of Dermatology Graduate School of Medicine Osaka University Osaka Japan
9. Department of Dermatology Faculty of Medicine University of Miyazaki Miyazaki Japan
10. Department of Dermatology Kagoshima University Graduate School of Medical and Dental Sciences Kagoshima Japan
11. Department of Dermato‐Oncology/Dermatology National Hospital Organization Kagoshima Medical Center Kagoshima Japan
12. Department of Dermatology Imamura General Hospital Kagoshima Japan
13. Department of Dermatology Shinshu University Nagano Japan