1. Chinese Evidence-based Medicine Center, West China Hospital, Sichuan University, Chengdu, China
2. Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada; Biostatistics Unit, St Joseph’s Healthcare—Hamilton, Hamilton, Canada
3. Xiamen Health Commission, Xiamen, China
4. Xiamen Health and Medical Big Data Center, Xiamen, China
5. School of Public Health, Curtin University, Perth, Australia