Wei, Xueli
Li, Lijing
Zhang, Fan
Funding for this research was provided by:
Heilongjiang Provincial Education Science Planning (GJE1320136)
Heilongjiang Education and Science (GBB1318076.)
Heilongjiang Economic and Social Development Key Research Project (JD2017021.)
Heilongjiang Provincial University Basic Scientific Research (2018-KYYWF-0594)
Heilongjiang Philosophy and Social Science Research (19FXB039., 17GLB026.)
Harbin Medical University (DQXN201612.)
Harbin Medical University (DQCTWH201801., DQCTWH201802.)
Sichuan Provincial Philosophy and Social Sciences Key Research (YF16-Y02.)
Daqing philosophy and social science planning research (DSGB2019035.)
Article History
Received: 5 April 2021
Accepted: 15 June 2021
First Online: 15 July 2021
Ethics
: Declarations
: Human and animal rights
: This article does not contain any studies with human or animal subjects performed by any of the authors.
: Informed consent
: Informed consent does not apply as this was a retrospective review with no identifying patient information.
: Consent for participate
: Not applicable.
: Consent for publication
: Not applicable.
: Conflict of interest
: The authors declare no competing interests.