1. Department of Dermatology; Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospitals; Taipei, Linkou Keelung Taiwan
2. College of Medicine; Chang Gung University; Taoyuan Taiwan
3. Graduate Institute of Clinical Medical Sciences, College of Medicine; Chang Gung University; Taoyuan Taiwan
4. Department of Otolaryngology; Taipei Municipal Wanfang Hospital; Taipei Taiwan
5. Department of Otolaryngology-Head and Neck Surgery; Chang Gung Memorial Hospital; Linkou Taiwan