1. The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
2. Department of Global Health, School of Public Health, Peking University, Beijing, China
3. Scientific Research Centre, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
4. School of Public Health, Zhengzhou University, Zhengzhou, Henan, China
5. School of Public Health, The Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China