1 Department of Dermatology (Chen), Chang Gung Memorial Hospital, Linkou; College of Medicine (Chen), Chang Gung University, Taoyuan, Taiwan; Department of Dermatology (Chu), Lotung Poh-Ai Hospital, Lotung, Yilan, Taiwan.
2 Department of Dermatology (Chen), Chang Gung Memorial Hospital, Linkou; College of Medicine (Chen), Chang Gung University, Taoyuan, Taiwan; Department of Dermatology (Chu), Lotung Poh-Ai Hospital, Lotung, Yilan, Taiwan Jorcy.nini@gmail.com.