Chen, Caiyun
Zhu, Ping
Zhang, Yongxiang
Liu, Bo
Article History
Received: 17 September 2021
Accepted: 15 November 2021
First Online: 23 November 2021
Declarations
:
: The methods were carried out in accordance with relevant guidelines and regulations. Ethical approval for this retrospective study was obtained from the local ethics committee of the First Affiliated Hospital with Nanjing Medical University (2021-SR-152). Informed consent was waived by the local ethics committee of the First Affiliated Hospital with Nanjing Medical University. It is not required to get administrative permission for accessing the raw data, and the data used in this study was anonymized before use.
: Not applicable.
: The authors declare that they have no conflicts of interest.