Funding for this research was provided by:
Sichuan Science and Technology Program (2019YFS0247)
Received: 30 July 2020
Accepted: 9 February 2021
First Online: 19 February 2021
Ethics approval and consent to participate
: This study was approved by the ethics committee of West China Hospital of Sichuan University [No 2014 (33), 1-6-2015]. Tenets of declaration of Helsinki were followed, and written informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.