Funding for this research was provided by:
National Natural Science Foundation of China (81471126)
Text and Data Mining valid from 2019-06-17
Received: 16 February 2019
Accepted: 12 June 2019
First Online: 17 June 2019
Ethics approval and consent to participate
: All experiments were in compliance with the guidelines and regulations set by the International Association for the Study of Pain. The experiments are in accordance with the Ethical Standards for Investigation of Experimental Pain in Animals. In addition, this study was approved by the Ethic and Investigation Committee of Zhejiang Province.
: Not applicable.
: The authors declare that they have no competing interests.