Zheng, Jinge
Gao, Liwang
Xue, Hong
Xue, Bo
Zhao, Li
Wang, Yun
Wei, Junxiang http://orcid.org/0000-0002-1026-673X
Wang, Youfa
Funding for this research was provided by:
National Institutes of Health (U54 HD070725)
UNICEF (UNICEF2018-Nutrition-2.1.2.3)
Article History
Received: 3 March 2020
Accepted: 21 December 2020
First Online: 13 January 2021
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study was approved by Ethical Committee of the State University of New York at Buffalo (FWA00008824) and related collaborative institutes in China. Written informed consents were collected from school administrators and parents and/or children.
: Written informed consents for publication were collected from parents and/or children.