Affiliation: | 1. Department of Ear, Nose and Throat, United Christian Hospital, Hong Kong Special Administrative Region, China;2. Department of Pathology, Kwong Wah Hospital, Hong Kong Special Administrative Region, China;3. Department of Pathology, United Christian Hospital, Hong Kong Special Administrative Region, China;4. Department of Otorhinolaryngology, Head and Neck Surgery, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China |