Shi, Huifeng
Yang, Yumei
Yin, Xiaohan
Li, Jia
Fang, Jin
Wang, Xiaoli
Funding for this research was provided by:
Bill and Melinda Gates Foundation
China Development Research Foundation
Article History
Received: 3 October 2020
Accepted: 6 May 2021
First Online: 17 May 2021
Declarations
:
: All aspects of the study were approved by the Ethics Review Board of the National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention (No. 2016–015), and written informed consent was obtained from caregivers before the interview.
: Not applicable.
: The authors declare that they have no competing interests.