1. Department of Dermatology; Faculty of Medicine; University of Tokyo; Tokyo; Japan
2. Department of Dermatology; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; Okayama; Japan
3. Department of Dermatology; Kagoshima University Graduate School of Medical and Dental Sciences; Kagoshima; Japan
4. Department of Dermatology; Imamura Bun-in Hospital; Kagoshima; Japan
5. Department of Dermatology; Fukushima Medical University School of Medicine; Fukushima; Japan
6. Department of Dermatology; Hamamatsu University School of Medicine; Hamamatsu; Japan
7. Department of Gastrointestinal; Breast and Endocrine Surgery; The University of Tokyo Hospital
8. Department of Hematology; Toranomon Hostapital; Tokyo; Japan
9. Department of Hematopoietic Stem Cell Transplantation Data Management/Biostatistics; Nagoya University Graduate School of Medicine; Nagoya; Japan
10. Department of Dermatology; Faculty of Medicine; University of Miyazaki; Miyazaki; Japan
11. Department of Dermatology; Tokyo Medical University Hachioji Medical Center; Tokyo; Japan
12. Department of Dermatology; School of Medicine; Shinshu University; Matsumoto; Japan
13. Department of Dermatology; Graduate School of Medicine; Osaka University; Osaka; Japan