Funding for this research was provided by:
National Natural Science Foundation of China (81801692)
Suzhou Municipal Science and Technology Bureau (SS201808, SYS2020125)
Article History
Received: 29 September 2020
Accepted: 4 June 2021
First Online: 15 June 2021
Declarations
:
: The Ethical Committee (IRB) at the First Affiliated Hospital of Soochow University approved this retrospective study. And the need to obtain the informed consent was waived by the IRB because of de-identification data involving no potential risk to patients and no link between the patients and researchers.
: Not applicable.
: The authors declare that they have no competing interests.