1. Department of Dermatology; Shiga University of Medical Science; Otsu; Japan
2. Department of Dermatology; Japanese Red Cross Society Himeji Hospital; Himeji; Japan
3. Department of Dermatology; Faculty of Medicine; Osaka University; Osaka; Japan
4. Department of Dermatology; Suita Municipal Hospital; Suita; Japan
5. Department of Dermatology; Sasebo City General Hospital; Sasebo; Japan
6. Department of Dermatology; Holy Spirit Hospital; Nagoya; Japan