1. World Health Organization Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong , Hong Kong Special Administrative Region , China
2. Laboratory of Data Discovery for Health Limited, Hong Kong Science Park , Hong Kong Special Administrative Region , China
3. World Health Organization Collaborating Centre for Reference and Research on Influenza , Melbourne , Australia
4. Centre of Immunology and Infection, Hong Kong Science Park , Hong Kong Special Administrative Region , China