1. Department of Dermatology, Chang Gung Memorial Hospital, Taipei, Linkou, and Keelung, Taiwan
2. College of Medicine, Chang Gung University, Taoyuan, Taiwan
3. Department of Dermatology, Linkou Medical Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
4. Department of Biomedical Engineering, College of Medicine, College of Engineering, National Taiwan University, Taipei, Taiwan