1. Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
2. Center for Clinical Epidemiology and Methodology (CCEM), Guangdong Second Provincial General Hospital, Guangzhou, China
3. Father Sean O'Sullivan Research Centre, St Joseph's Healthcare Hamilton, Hamilton, ON, Canada
4. Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, ON, Canada