1. Vanke School of Public Health, Tsinghua University, Beijing, China
2. Institute for Healthy China, Tsinghua University, Beijing, China
3. Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China
4. National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China
5. Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts
6. Division of Global Health Equity, Brigham and Women’s Hospital, Boston, Massachusetts
7. Harvard Center for Population and Development Studies, Cambridge, Massachusetts
8. Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health, Boston, Massachusetts