1. Department of Dermatology, Cathay General Hospital, Taipei, Taiwan
2. Department of Dermatology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
4. Department of Dermatology, Hsinchu Cathay General Hospital, Hsinchu, Taiwan