Funding for this research was provided by:
National Science Foundation of China (72174110)
Natural Science Foundation of Shandong Province (ZR2021QG018)
Article History
Received: 31 July 2022
Accepted: 21 July 2023
First Online: 3 August 2023
Declarations
:
: This study was screened and approved by the Ethics Committee of the Centre for Health Management and Policy Research of Shandong University (No. ECSHCMSDU20200601). All participants gave their informed consent by signing the consent form.
: All authors declare that they have no competing interests.
: Patients signed informed consent regarding publishing their data.