Hao, Qiang
Gao, Qi
Zhao, Ran
Wang, Haitao
Li, Hao
Jiang, Baofa
Funding for this research was provided by:
ministry of science and technology of the people's republic of china (2017FY101202)
Article History
Received: 26 July 2021
Accepted: 17 October 2021
First Online: 24 November 2021
Declarations
:
: Ethical approval for analysis of this de-identified data was granted by the Ethics Review Committee, School of Public Health, Shandong University (20120501).
: The authors declare no competing interests.