1. Department of Dermatology; Division of Medicine; Faculty of Medical Sciences; University of Fukui; Fukui Japan
2. Department of Dermatology; Gunma University Graduate School of Medicine; Maebashi Japan
3. Department of Dermatology; The University of Tokyo Hospital; Tokyo 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; Kanazawa Japan
6. Department of Dermatology; Faculty of Medicine; University of Tsukuba; Tsukuba Japan
7. Department of Dermatology; School of Medicine, Fukushima Medical University; Fukushima Japan