Wang, Chunmei
Lai, Yutian
Li, Pengfei
Su, Jianhuan
Che, Guowei
Article History
Received: 27 June 2020
Accepted: 12 November 2020
First Online: 6 March 2021
Ethics approval and consent to participate
: Ethical approval was obtained from the Clinical Trials and Biomedical Ethics Committee of our hospital and Chinese Clinical Trial registry (Registration number: ChiCTR1900022478). Informed consent were exempted by the Biomedical Ethics Committee of our hospital for the reason listed below: (1) The research data we collected was derived from medical documents. (2) The risk of our research was no greater than minimum risk. (3) We only collected medical data and would not affect patients’ right and health. (4) We didn’t collect patients’ personal information.
: Not applicable.
: The authors declare that they have no competing interests.