Shang, Xianwen
Li, Yanping http://orcid.org/0000-0002-0412-2748
Xu, Haiquan
Zhang, Qian
Hu, Xiaoqi
Liu, Ailing
Du, Songming
Li, Tingyu
Guo, Hongwei
Li, Ying
Xu, Guifa
Liu, Weijia
Ma, Jun
Ma, Guansheng
Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2008BAI58B05)
Article History
Received: 24 May 2019
Revised: 11 March 2020
Accepted: 12 March 2020
First Online: 30 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the Ethical Review Committee of the National Institute for Nutrition and Food Safety, Chinese Centre for Disease Control and Prevention.
: Written informed consent was obtained from parents, the next of kin, carers, or guardians of all the participants.