1HKU-Pasteur Research Pole, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
2School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
3HKU-Pasteur Research Pole, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
4School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
5School of Public Health, Nanjing Medical University, Jiangning District, Nanjing, China
6School of Public Health, Nanjing Medical University, Jiangning District, Nanjing, China
7School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
8Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
9Department of Pediatrics, University of Alberta, Edmonton, Canada
10School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
11State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
12Institute of Infectious Disease, Guangzhou Eighth People’s Hospital of Guangzhou Medical University, Guangzhou, China
13HKU-Pasteur Research Pole, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
14School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong SAR
15School of Public Health, Nanjing Medical University, Jiangning District, Nanjing, China
✉To whom correspondence should be addressed. Hein M. Tun, PhD, Assistant Professor, HKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, Phone: +852-31979944, Email: heinmtun@hku.hk, https://twitter.com/TheTunLab
#Ye Peng and Dengwei Zhang contributed equally.