Funding for this research was provided by:
National Natural Science Foundation of China (81972363)
Received: 18 August 2020
Accepted: 26 January 2021
First Online: 10 March 2021
Ethics approval and consent to participate
: Informed consent was obtained from patients to collect tissue samples for the study, and the study was reviewed and approved by the Ethics Committee of the First Affiliated Hospital of Harbin Medical University (No. HMUIRB-2008-06).
: Not applicable.
: The authors declare that they have no competing interests.