Xu, Ying
Shao, Mingran
Liu, Ning
Dong, Danjiang
Tang, Jian
Gu, Qin
Article History
Received: 27 April 2021
Accepted: 25 August 2021
First Online: 3 September 2021
Declarations
:
: This study was approved by the Ethical Committee of Drum Tower Hospital affiliated with the Medical School of Nanjing University. The data used in this study was anonymised before its use and were collected during routine procedures, which did not pose any additional risk to the patients. The requirement for informed consent by individual patients was waived by Ethical Committee of Drum Tower Hospital affiliated with the Medical School of Nanjing University given the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no conflict of interest.