Received: 17 October 2020
Accepted: 17 December 2020
First Online: 11 January 2021
Ethics approval and consent to participate
: The Ethics Committee of the West China Hospital of Sichuan University, China, provided authorization for our study. Detailed information can be obtained from file No.195 approved in 2019. Written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.