1. Department of Dermatology Kyoto University Graduate School of Medicine Kyoto Japan
2. Department of Dermatology Kagawa University Faculty of Medicine Takamatsu Japan
3. Department of Diagnostic Pathology Kyoto University Graduate School of Medicine Kyoto Japan
4. Singapore Immunology Network (SIgN) and Skin Research Institute of Singapore (SRIS) Agency for Science, Technology and Research (A*STAR) Singapore Singapore