Article History
Received: 13 August 2020
Accepted: 10 September 2020
First Online: 23 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of The First Affiliated Hospital, College of Clinical Medicine, Medical College of Henan University of Science and Technology and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
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