Received: 10 November 2021
Accepted: 2 August 2022
First Online: 4 August 2022
: We obtained ethical approval for this study from the Medical and Health Research Ethics Committee of the Chengdu Medical College. The current study was carried out according to the Declaration of Helsinki. Prior to enrollment, all patients or their legal proxies provided detailed information regarding the aims, scope and possible consequences of the trial by a physician. No diagnostic or interventional procedures were required for the clinical trial. Written informed consent was obtained from all study participants or their legal proxies.
: Not available.
: The authors declare that they have no competing interests.