Funding for this research was provided by:
National Natural Science Foundation of China (81701136, 81571126)
Key Technologies Research and Development Program (2016YFC1300703)
Received: 17 April 2020
Accepted: 6 February 2021
First Online: 3 March 2021
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of Changhai Hospital (CHEC2017-074). The requirement for written informed consent was waived given the retrospective nature of the analysis.
: Not applicable
: The authors declare that they have no competing interests.