Funding for this research was provided by:
National Natural Science Foundation of China (81700231)
Received: 3 November 2020
Accepted: 24 January 2021
First Online: 5 February 2021
Change Date: 7 October 2021
Change Type: Correction
Change Details: This article has been retracted. Please see the Retraction Notice for more detail:
Change Details: https://doi.org/10.1186/S13287-021-02606-0
Ethics approval and consent to participate
: The animals were obtained from the Laboratory Animal Science Department of Xuzhou Medical University, Jiangsu, and P.R. China. All of the study procedures were approved by the Institutional Animal Care and Use Committee of Xuzhou Medical University.
: Not applicable.
: The authors declare that they have no competing interests.