Jiang, Linhua
Zhang, Jiawen
Zhu, Xinguo
Article History
Received: 2 August 2021
Accepted: 27 January 2022
First Online: 6 February 2022
Declarations
: This study was not funded. Author Jiawen Zhang declares that he has no conflict of interest. Author Linhua Jiang declares that he has no conflict of interest. Author Xinguo Zhu declares that he has no conflict of interest. The study protocol was approved by the Ethics Committee of the First Affiliated Hospital of Soochow University. This project was conducted as a retrospective observational study; the study protocol involved minimal risk and did not threaten the health of the subjects. And, all participating patients signed informed consents. This project was conducted in compliance with the spirit of the “Declaration of Helsinki, Ethical Principles for Medical Research Involving Human Subjects” (as amended in Fortaleza, October 2013).