Funding for this research was provided by:
National Natural Science Foundation of China (81501941, 81772437)
Received: 13 December 2018
Revised: 28 December 2018
Accepted: 8 January 2019
First Online: 22 January 2019
: All the authors are researchers at Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, China. Peng Xia and Xueping Li are the leaders of our research group.
: The experimental protocol relating to rats was approved by the Nanjing Medical University Ethics Committee of Nanjing Hospital (20150829).
: Not applicable.
: The authors declare that they have no competing interests.
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