1. School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
2. HKU-Pasteur Research Pole, School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
3. Centre for Health Protection, Department of Health, The Government of Hong Kong Special Administrative Region, Hong Kong, China
4. Laboratory of Data Discovery for Health, Hong Kong Science and Technology Park, Hong Kong, China
5. Centre for Immunology and Infection, Hong Kong Science and Technology Park, Hong Kong, China