Funding for this research was provided by:
National Natural Science Foundations of China (81670067)
Social Development Funds of Jiangsu Province (BE2017691)
Received: 14 November 2019
Revised: 15 January 2020
Accepted: 18 February 2020
First Online: 28 February 2020
Ethics approval and consent to participate
: The experimental protocol was approved by the Committee on the Ethics of Animal Experiments of Yangzhou University. Animals were maintained at the same facility in accordance with the guidelines approved by the experimental ethics committee.
: Not applicable.
: The authors declare that they have no competing interests.