1 Department of Dermatology, Chang Gung Memorial Hospital, Taipei, Linkou and Keelung branch, Taiwan; Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan.
2 Department of Dermatology, Chang Gung Memorial Hospital, Taipei, Linkou and Keelung branch, Taiwan; Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China; Cancer Vaccine and Immune Cell Therapy Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan. Electronic address: chunbing.chen@gmail.com.