Zhang, Qinghua
Zhang, Yundu
Shi, Qiang
Zhao, Lei
Yue, Yun
Yan, Chengxin http://orcid.org/0000-0001-7272-8912
Funding for this research was provided by:
the Science and Technology Innovative Development Foundation of Taian (2020NS249)
the Science and technology projects of Shandong Geriatrics Society (LKJGG2021W092)
Article History
Received: 10 February 2023
Accepted: 8 June 2023
First Online: 19 June 2023
Declarations
:
: The studies involving human participants were reviewed and approved by the Second Affiliated Hospital of Shandong First Medical University Ethics Committee. The patients/participants provided their written informed consent to participate in this study. Written informed consent was obtained from the individual's legal guardian/next of kin for the publication of any potentially identifiable images or data included in this article.
: The authors declare no competing interests.
: All authors were informed and agreed to publish the paper.