Chen, Gengdong
Yan, Huanchang
Hao, Yuting
Shrestha, Shiksha
Wang, Jue
Li, Yan
Wei, Yuanhuan
Pan, Jialiang
Zhang, Zheqing http://orcid.org/0000-0001-8386-0361
Funding for this research was provided by:
National Natural Science Foundation of China (No.81502798)
The Maternal and Children Nutrition and Care Fund of Biostime (No.BINCMYF15006)
Natural Science Foundation of Guangdong Province, China (No.2015A030310399)
Article History
Received: 15 November 2018
Accepted: 10 April 2019
First Online: 24 April 2019
Ethics approval and consent to participate
: A written consent was approved by each participant through his or her parent or legal guardian before enrollment. Informed consent was also obtained from each subject (or their parents/guardian) to analyse and publish his or her data. The study was conducted in accordance with the Declaration of Helsinki and was approved by the ethics committee of the School of Public Health at Sun Yat-sen University (201549).
: Not applicable.
: The authors declare that they have no competing interests.
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