1. Department of Microbiology, The Chinese University of Hong Kong, Hong Kong SAR, China
2. Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong SAR, China
3. Department of Anatomical Pathology, Tuen Mun Hospital, Hong Kong SAR, China
4. Department of ENT, Yan Chai Hospital, Hong Kong SAR, China
5. Department of Otorhinolaryngology, Head and Neck Surgery, The Chinese University of Hong Kong, Hong Kong SAR, China
6. Department of Pathology, Queen Elizabeth Hospital, Hong Kong SAR, China