Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC0905900)
State Key Program of the National Natural Science Foundation (81430062, 81930086)
Innovative Research Groups of the National Natural Science Foundation (81521004)
Received: 10 July 2020
Accepted: 20 August 2020
First Online: 17 September 2020
Ethics approval and consent to participate
: This retrospective study was approved by the institutional review board of the Affiliated Drum Tower Hospital of Nanjing University Medical School. The requirement for written informed consent was waived due to its retrospective nature.
: Not applicable.
: The authors declare that they have no competing interests.