He, Zhanfeng
Li, Weihao
Zheng, Tianliang
Liu, Donglei
Zhao, Song
Article History
Received: 25 December 2019
Accepted: 29 June 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee and Experimental Animal Ethics Committee of the First Affiliated Hospital of Zhengzhou University and performed in strict accordance with the <i>Declaration of Helsinki</i>. Written informed consent was obtained from all participants or their relatives prior to enrollment. Animal experiments were conducted following the recommendations in the Guide for the Care and Use of Laboratory Animals published by the US National Institutes of Health. Extensive efforts were made to minimize animal usage and discomfort during experimentation.
: Not applicable.
: The authors declare that they have no conflict of interest.