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Article History

Received: 14 January 2020

Accepted: 20 April 2020

First Online: 6 May 2020

Ethics approval and consent to participate

: All participants involved in this study have provided informed consent and the study protocols were permitted by the Ethics Committee of the First Affiliated Hospital of Zhengzhou University and performed in accordance with the Declaration of Helsinki. The experiment was approved by the Animal Research Committee of the First Affiliated Hospital of Zhengzhou University and performed in accordance with the guidelines of the National Animal Care and Ethics Institution.

: Informed consent was obtained from all patients.

: The authors declare that they have no competing interests.