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Authors
Zhang, Jun
Yin, Bo
Zhao, Jianmin
Li, Yihan
Yin, Peng
Guo, Tao
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Article History
Received: 17 January 2020
Accepted: 7 April 2020
First Online: 13 April 2020
Ethics approval and consent to participate
: The study was approved by the Ethical Review Boards of the Chinese PLA General Hospital committee (Beijing, China), and was performed in accordance with the ethical standards of the Declaration of Helsinki of 1964. All participants provided informed consent before their participation in the study and written were obtained from all participants.
: All patients included into the study provided their informed consent at enrolment and the use of patients’ data for research.
: The authors declare that they have no competing interests.
