1. Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong
2. State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong
3. Carol Yu Centre for Infection, The University of Hong Kong, Pokfulam, Hong Kong
4. Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The University of Hong Kong, Hong Kong
5. Department of Pathology, Queen Elizabeth Hospital, Pokfulam, King's Park, Hong Kong
6. Department of Pathology, United Christian Hospital, Kwun Tong, Hong Kong