1. Department of Dermatology, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
2. Graduate Institute of Biomedical Engineering, Chang Gung University, Taoyuan, Taiwan
3. Department of Otolaryngology - Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
4. Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
5. School of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan