1. Department of Dermatology, Chang Gung Memorial Hospital, Linkou Branch, Taiwan
2. College of Medicine, Chang Gung University, Taoyuan, Taiwan
3. Graduate Institute of Clinical Medical Sciences, Collegeof Medicine,Chang Gung University, Taoyuan, Taiwan
4. Departmentof Dermatology, Chang Gung Memorial Hospital, Keelung Branch, Taiwan
5. Departmentof Dermatology, Chang Gung Memorial Hospital, Taipei Branch, Taiwan