1. State Key Laboratory of Emerging Infectious Diseases
2. Research Centre of Infection and Immunology
3. Department of Microbiology, The University of Hong Kong, Hong Kong
4. Department of Paediatrics and Adolescent Medicine
5. Department of Pathology, Pamela Youde Nethersole Eastern Hospital, Hong Kong
6. Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong
7. Public Health Laboratory Centre, Centre for Health Protection, Hong Kong