1. West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, People’s Republic of China
2. Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou, People’s Republic of China
3. Division of Infectious Disease, Key Laboratory of Surveillance and Early-warning on Infectious Disease, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
4. Department of Epidemiology and Biostatistics, State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
5. School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, People’s Republic of China
6. Oxford University Clinical Research Unit, Ha Noi, Viet Nam
7. Nuffield Department of Medicine, Centre for Tropical Medicine and Global Health, Oxford University, Oxford, UK
8. NIHR Health Protection Research Unit for Emerging and Zoonotic Infections, Institute of Infection, Veterinary and Ecological Sciences University of Liverpool, Liverpool, UK
9. Tropical & Infectious Disease Unit, Royal Liverpool University Hospital (member of Liverpool Health Partners), Liverpool, UK