Funding for this research was provided by:
Shenyang Science and Technology Bureau (17-230-9-38)
Received: 8 December 2020
Accepted: 12 May 2021
First Online: 31 May 2021
: The biopsy samples were collected from the patients after obtaining written informed consent. The study was approved by the First Hospital of China Medical University Institutional Ethics Committee. All data was anonymized, and all identifiable information and biological samples were stored according to the local guidelines.
: Not applicable.
: The authors declare that they have no competing interests.