1. Department of Dermatology; Faculty of Medicine; The University of Tokyo; Tokyo Japan
2. Department of Dermatology; Faculty of Medicine, University of Tsukuba; Ibaraki Japan
3. Department of Dermatology; Graduate School of Medicine; Gunma University; Gunma Japan
4. Department of Dermatology and Plastic Surgery; Faculty of Life Sciences; Kumamoto University; Kumamoto Japan
5. Department of Molecular Pathology of Skin; Faculty of Medicine; Institute of Medical, Pharmaceutical and Health Sciences; Kanazawa University; Ishikawa Japan
6. Department of Dermatology; Division of Medicine, Faculty of Medical Sciences; University of Fukui; Fukui Japan
7. Department of Dermatology; School of Medicine; Fukushima Medical University; Fukushima Japan