1. Department of Dermatology; Kyoto University Graduate School of Medicine; Kyoto Japan
2. Department of Dermatology; Hirosaki University Graduate School of Medicine; Hirosaki Japan
3. Department of Dermatology; Asahikawa Medical University; Asahikawa Japan
4. Singapore Immunology Network (SIgN) and Institute of Medical Biology; Agency for Science, Technology and Research (A*STAR); Biopolis; Singapore