He, Chenlu
Wang, Wei http://orcid.org/0000-0003-3746-7280
Chen, Qian
Shen, Ziyuan
Pan, Enchun
Sun, Zhongming
Lou, Peian
Zhang, Xunbao
Funding for this research was provided by:
the National Natural Science Foundation of China (82003484)
Universities' philosophy and social science researches in Jiangsu Province (2020SJA1053)
Natural Science Foundation for Colleges Universities in Jiangsu Province (20KJB330005)
Article History
Received: 23 April 2021
Accepted: 5 June 2021
First Online: 14 June 2021
Declarations
:
: The authors declare no conflict competing interests.
: Approval was obtained from the ethics committee of the Huai´an Center for Disease Control and Prevention and Xuzhou Medical University. The procedures used in this study adhere to the tenets of the Declaration of Helsinki.
: All participants gave their written informed consent before their inclusion in the study.