Funding for this research was provided by:
national natural science foundation of china (81571441)
Received: 19 June 2021
Accepted: 23 August 2021
First Online: 8 September 2021
: This study was approved by the Institutional Ethics Committee of Xiangya Hospital of Central South University. Informed written consent was obtained from each patient prior to tissue collection.
: All co-authors have seen and approved the final version of the paper and have agreed to its submission for publication. All patients signed informed written consent forms.
: We declare that we have no conflict of interest.