1. School of Public Health, Sun Yat-sen University, 74 Zhongshan 2nd Road, Guangzhou, China
2. Greater Bay Area Public Health Research Collaboration, China
3. Guangzhou Twelfth People's Hospital, Guangzhou 510620, China
4. School of Public Health, the University of Hong Kong, Hong Kong, China
5. Institute of Applied Health Research, University of Birmingham, Birmingham, UK