Nan, Xi
Lu, Haiwen
Wu, Jing
Xue, Mingming
Qian, Yonggang
Wang, Wenrui
Wang, Xuemei https://orcid.org/0000-0003-0298-9695
Funding for this research was provided by:
National Natural Science Foundation of China (81960603)
Natural Science Foundation of Inner Mongolia (2019MS08112)
Article History
Received: 5 February 2020
Accepted: 16 February 2021
First Online: 23 February 2021
Ethics approval and consent to participate
: This survey was approved by the Ethical Committee of the National Institute for Nutrition and Food Safety of the Chinese Center for Disease Control and Prevention. In this survey, there were no treatments or interventions that could impact the health of participators. All participants provided written informed consent before the start of the investigation.
: Not applicable.
: The authors declare that they have no competing interests.