Cui, Yunpeng
Mi, Chuan
Wang, Bing
Pan, Yuanxing
Lin, Yunfei
Shi, Xuedong
Article History
Received: 5 December 2022
Accepted: 8 December 2023
First Online: 13 December 2023
Declarations
:
: This study was a retrospective study. There was no follow-up requirement in this study. It was unnecessary to collect blood samples and other samples of the patients, and no additional examination was required. The research ethics committee of Peking University First Hospital approved the study protocol (2022 scientific research 417-001). The research ethics committee of Peking University First Hospital required neither patient approval nor informed consent to review patients’ routine medical records in this study. Researchers would strictly keep the personal information of patients confidential. Identifiable information would not be disclosed to persons other than research members unless permission was obtained from the patient. All research members were required to keep the identity of patients confidential. No patients’ personal information would be disclosed when the research results were published. This study was conducted following the ethical standards in the 1964 Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.