1. Department of Otolaryngology; Head and Neck Surgery, Chang Gung Memorial Hospital; Linkou Taiwan
2. School of Medicine; Chang Gung University; Taoyuan Taiwan
3. Department of Pathology; Chang Gung Memorial Hospital; Linkou Taiwan
4. Department of Otolaryngology; Head and Neck Surgery, Chang Gung Memorial Hospital; Keelung Taiwan
5. Department of Nuclear Medicine; Chang Gung Memorial Hospital; Linkou Taiwan