Chen, Di
Shen, Xi
Wang, Li
Kuang, Yanping
Article History
Received: 8 December 2021
Accepted: 22 February 2022
First Online: 22 March 2022
Declarations
:
: The study was approved by the Ethics Committee (Institutional Review Board) of Shanghai Ninth People’s Hospital affiliated with Shanghai Jiao Tong University School of Medicine (No. 2017–017). The Ethics Committee of Shanghai Ninth People’s Hospital (Institutional Review Board) waived the need for written informed consent due to the retrospective nature and patients’ data were used anonymously. All procedures performed in the study were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.