Received: 28 April 2020
Accepted: 25 February 2021
First Online: 6 March 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Second Xiangya Hospital of Central South University on July 8th, 2019. The number of Institutional Review Boards approval was S301. Informed consent was obtained from all participants in this study.
: Not applicable.
: The authors declare that they have no competing interests.