Zhou, Chuan
Zhang, Yun-Feng
Guo, Sheng
Wang, Dong
Lv, Hao-Xuan
Qiao, Xiao-Ni
Wang, Rong
Chang, De-Hui
Zhao, Li-Ming
Zhou, Feng-Hai
Funding for this research was provided by:
The Natural Science Foundation of Gansu Province (No.22JR5RA650)
National Natural Science Foundation of China (No.81860047)
Key Science and Technology Program in Gansu Province (NO.21YF5FA016)
Article History
Received: 18 April 2023
Accepted: 11 July 2023
First Online: 20 July 2023
Declarations
:
: This retrospective study was also approved by the Ethics Committee of the Gansu Provincial Geriatrics Association (2022-61) and the requirement for informed consent was waived. The ethical approval was in Supplementary material.
: All authors declare that they have no competing interests.