1. Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, People’s Republic of China
2. Department of Otorhinolaryngology, Head and Neck Surgery, The Chinese University of Hong Kong, People’s Republic of China
3. Department of Microbiology, The Chinese University of Hong Kong, People’s Republic of China
4. Stanley Ho Center for Emerging Infectious Diseases, Faculty of Medicine, The Chinese University of Hong Kong, People’s Republic of China