Funding for this research was provided by:
national natural science foundation of china (81472026)
science and technology project of tibet autonomous region (XZ201901-GB-08)
Received: 29 September 2020
Accepted: 20 July 2021
First Online: 10 August 2021
: Approval for this study was obtained from the Biomedical Research Ethics Committee of West China Hospital, Sichuan University No. 198 (2014). Written informed consent was obtained from all participants before sample collection and the data analyzed in our study were anonymized before its use. Consent for publication.
: Not applicable.
: The authors declare that they have no competing interests.