1. Department of Dermatology; Fukushima Medical University; Fukushima Japan
2. Department of Dermatology; Jichi Medical University; Shimotsuke Japan
3. Department of Dermatology; Kochi University; Kochi Japan
4. Department of Dermatology; NTT Medical Center Tokyo; Tokyo Japan
5. Department of Dermatology; Graduate School of Medical Science; Nagoya City University; Nagoya Japan
6. Department of Dermatology; Shinshu University; Matsumoto Japan
7. Department of Dermatology; Faculty of Medicine; Kinki University; Osaka-Sayama Japan