Guan, Hongyan http://orcid.org/0000-0002-8153-1676
Zhang, Zhiguang
Wang, Bo
Okely, Anthony D.
Tong, Meiling
Wu, Jianxin
Zhang, Ting
Funding for this research was provided by:
Innovation Fund for Medical Science in Chinese Academy of Medical Sciences (2016-12M-1-008)
Beijing Municipal Commission of Health (Z171100000117001)
Article History
Received: 18 November 2019
Accepted: 11 February 2020
First Online: 15 February 2020
Ethics approval and consent to participate
: This study was approved by the Capital Institute of Pediatrics’ Human Research Ethics Committee (No.SHERLL2018001). Informed written consent was obtained from children’s parents or guardians.
: Not applicable
: The authors declare that they have no competing interests.