Funding for this research was provided by:
National Natural Science Foundation of China (81671081 and 31371120)
University Science & Technology Fund Planning Project (2019XB006)
Text and Data Mining valid from 2020-02-18
Received: 16 December 2019
Accepted: 19 January 2020
First Online: 18 February 2020
Ethics approval and consent to participate
: All experimental protocols were approved by the Institutional Animal Care and Use Committee of FMMU and animals were maintained and cared for in line with the guidelines set forth by the International Association for the Study of Pain.
: Not applicable.
: The authors declare that they have no competing interests.