About the Authors

Yi-De Yang

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Jie-Yun Song

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Shuo Wang

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Fang-Hong Liu

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Yi-Ning Zhang

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Xiao-Rui Shang

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Hai-Jun Wang

majunt@bjmu.edu.cn (JM); whjun1@bjmu.edu.cn (HJW)

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Jun Ma

majunt@bjmu.edu.cn (JM); whjun1@bjmu.edu.cn (HJW)

Affiliation Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: YDY HJW JM. Data curation: YDY JYS SW YNZ. Formal analysis: YDY JYS SW YNZ. Funding acquisition: HJW JM. Investigation: YDY JYS FHL XRS. Methodology: YDY HJW JM. Project administration: HJW JM. Supervision: HJW JM. Writing – original draft: YDY. Writing – review & editing: YDY JYS HJW JM.