1. Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Linkou, Chang Gung University, Taoyuan, Taiwan
2. Department of Otolaryngology, Head and Neck Surgery, Chang Gung Memorial Hospital, Linkou, Chang Gung University, Taoyuan, Taiwan
3. Department of Pediatric Critical Care and Emergency Medicine, Chang Gung Memorial Hospital, Linkou, Chang Gung University, Taoyuan, Taiwan
4. Department of Pathology, Chang Gung Memorial Hospital, Linkou, Chang Gung University, Taoyuan, Taiwan