Mao, Xiaonan
Guo, Yan
Wen, Feng
Liang, Hongyuan
Sun, Wei
Lu, Zaiming
Article History
Received: 21 May 2021
Accepted: 19 July 2021
First Online: 12 August 2021
Declarations
:
: Our research, performed in accordance with the principles stated in the Declaration of Helsinki, was approved by the Ethics Committee of Shengjing hospital of China Medical University.The present study is a retrospective study, where not any interventions beyond routine clinical management were given onto the patients, but only their clinical data were collected and analyzed. We have informed all participants why the research is being conducted, and how the data we are collecting is being stored. Consent was obtained from all patients or their legal clients informing that their clinical data may be used and published in future research with patients’ identification anonymized.
: All authors of the manuscript have read and agreed to its content and are accountable for all aspects of the accuracy and integrity of the manuscript in accordance with ICMJE criteria.The authors of this study declare that the article is original, has not already been published in a journal, and is not currently under consideration by another journal.The publication of this submission is approved by all authors, if accepted. It will not be published elsewhere in the same form, in English or in any other language.
: The authors declare that they have no competing interests.