About the Authors

Hong Zhou

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

Affiliations Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, China, Environmental and Spatial Epidemiology Research Center, National Human Genetic Resources Center, Beijing, China

Anqi Wang

Roles Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliations Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, China, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Xiaona Huang

Roles Funding acquisition, Investigation, Methodology, Project administration

Affiliation UNICEF China, Beijing, China

Sufang Guo

Roles Methodology

Affiliation UNICEF Regional Office for South Asia, Leknath Marg, Kathmandu, Nepal

Yuning Yang

Roles Funding acquisition, Investigation, Project administration, Resources

Affiliation UNICEF China, Beijing, China

Kathryn Martin

Roles Writing – review & editing

Affiliation UNICEF China, Beijing, China

Xiaobo Tian

Roles Writing – review & editing

Affiliation UNICEF China, Beijing, China

Jonathan Josephs-Spaulding

Roles Writing – review & editing

Affiliation Institute for Experimental Medicine, Christian-Albrechts-University Kiel, Kiel, Germany

Chuyang Ma

Roles Writing – review & editing

Affiliation Beijing Lu He International Academy, Beijing, China

Robert W. Scherpbier

Roles Funding acquisition

wangyan@bjmu.edu.cn (YW); rscherpbier@unicef.org (RS)

Affiliation UNICEF China, Beijing, China

Yan Wang

Roles Conceptualization, Supervision

wangyan@bjmu.edu.cn (YW); rscherpbier@unicef.org (RS)

Affiliations Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, China, Environmental and Spatial Epidemiology Research Center, National Human Genetic Resources Center, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.