Guo, Qian
Wang, Beibei
Cao, Suzhen
Jia, Chunrong
Zhao, Liyun
Zhang, Qian
Yu, Dongmei
Zhao, Xiuge
El-Maleh, Citrine A.
Ma, Guansheng
Duan, Xiaoli https://orcid.org/0000-0002-7424-9656
Funding for this research was provided by:
Ministry of Ecology and Environment of China (EH 2013-09-01)
Chinese Academy of Engineering (2017-ZD-05-02)
Article History
Received: 8 October 2018
Accepted: 30 January 2019
First Online: 11 March 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: All the participants gave their consent before being included in the study. Ethical aspects of the questionnaire and interview protocols were reviewed and approved by the National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention before the study commenced in 2013 (2013-018).