1. Department of Pharmacy Administration, Chang Gung Memorial Hospital, Linkou 33305, Taiwan
2. Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospitals, Linkou 33305, Taiwan
3. College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
4. Department of Dermatology, Keelung Chang Gung Memorial Hospital, No. 222 Maijin Road, Anle District, Keelung City 20448, Taiwan