Mao, Xiaonan
Wen, Feng
Liang, Hongyuan
Sun, Wei
Lu, Zaiming
Article History
Received: 19 January 2021
Accepted: 4 May 2021
First Online: 14 May 2021
Declarations
:
: Our research was performed in accordance with the principles stated in the Declaration of Helsinki. The present study, which was approved by the Ethics Committee of Shengjing Hospital of China Medical University, was retrospective. We gave no interventions to patients beyond routine clinical management and only clinical data were collected and analyzed. Consent to participate and publish was obtained from all patients and they were aware that all data would be kept anonymized.
: We have informed all participants why the research was conducted, and how the data we collected were stored. Written informed consent was obtained from all patients, or their legal representatives, notifying them that their clinical data may be used and published in future research. All patients’ data will be kept anonymized.
: We have informed all participants why the research was conducted, and how the data we collected were stored. Written informed consent was obtained from all patients, or their legal representatives, notifying them that their clinical data may be used and published in future research. All patients’ data will be kept anonymized.
: The authors declare no competing interests.