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Authors
Sun, Ke
Zhang, Guangping https://orcid.org/0000-0002-0820-1187
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Article History
Received: 15 June 2019
Accepted: 31 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of The First Affiliated Hospital of Henan University of Science and Technology. The research has been carried out in accordance with the World Medical Association Declaration of Helsinki. All patients and healthy volunteers provided written informed consent prior to their inclusion within the study.
: Not applicable.
: The authors declare that they have no competing interests.
