Funding for this research was provided by:
National Natural Science Foundation of China (81400916, 81600976)
Youth Science Foundation of Xiangya Hospital (2014Q07)
Received: 12 April 2017
Accepted: 5 December 2017
First Online: 12 January 2018
: All procedures and animal experiments were approved by the Animal Care and Use Committee at the Central South University and were in accordance with the university’s guidelines for the care and use of laboratory animals (NO. 201603359). The ethical guidelines from the International Association for the Study of Pain (IASP) were followed.
: Not applicable.
: The other authors declare that they have no competing interests.
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