Published on in Vol 8, No 4 (2022): April
1 Vanke School of Public Health, Tsinghua University, Beijing, China
2 Program in Public Health, University of California, Irvine, CA, United States
3 Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, United States
4 Health Section Programme Division, UNICEF Headquarters, New York, NY, United States
5 Institute of Healthy China, Tsinghua University, Beijing, China
*these authors contributed equally