1. Department of Nursing, Nanhai Hospital of Southern Medical University, Foshan, Guangdong, China
2. General Practice Center, Nanhai Hospital of Southern Medical University, Foshan, Guangdong, China
3. Nursing School, Wuxi Taihu University, Jiangsu, China
4. Division of Quarantine, Nanhai Hospital of Southern Medical University, Foshan, Guangdong, China
5. Fever Clinic, Nanhai Hospital of Southern Medical University, Foshan, Guangdong, China
6. Division of Respirology, Department of Medicine, The Ottawa Hospital, Ontario, Canada
7. OMNI Research Group, Ottawa Hospital Research Institute, Ontario, Canada
8. School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ontario, Canada
9. McLaughlin Centre for Population Health Risk Assessment, Faculty of Medicine, University of Ottawa, Ontario, Canada
10. Risk Science International, Ottawa, Ontario, Canada
11. Department of Obstetrics and Gynecology, Faculty of Medicine, University of Ottawa, Ontario, Canada