Jin, Bowen
Zhang, Hang
Song, Fuchun
Wu, Guangjun
Yang, Hui
Article History
Received: 12 January 2022
Accepted: 30 August 2022
First Online: 15 September 2022
Declarations
:
: This research analyzed de-identified information downloaded from CHARLS database, which is exempt from Institutional Review Board approval of Guang’anmen Hospital, China Academy of Chinese Medical Sciences. All methods were carried out in accordance with relevant guidelines and regulations. Written Informed Consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.