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Article History

Received: 20 July 2020

Accepted: 9 October 2020

First Online: 23 October 2020

Ethics approval and consent to participate

: Our study was approved by the Ethics Review Board of Honghui Hospital. The collection and use of the human tissues obtained the verbal consent from each subjects. The ethics committee approved this (without written consent), because this study didn’t violate the individual privacy of the patients, and didn’t change the diagnosis and treatment of the patients.

: Not applicable.

: The authors declare that they have no competing interests.