1. Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region, China
2. State Key Laboratory for Emerging Infectious Diseases, Carol Yu Centre for Infection, Department of Microbiology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China
3. Department of Clinical Microbiology and Infection, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong Province, China
4. Centre for Virology, Vaccinology and Therapeutics, Hong Kong Science and Technology Park, Sha Tin, Hong Kong Special Administrative Region, China