Funding for this research was provided by:
National Natural Science Foundation of China (81771866)
Received: 23 June 2020
Accepted: 29 December 2020
First Online: 8 January 2021
Ethics approval and consent to participate
: This retrospective study was approved by Tongji Medical College of Huazhong University of Science and Technology, and the requirement for patient informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.