Funding for this research was provided by:
Japan Society for the Promotion of Science (JP19H03987, JP20K11246)
Japan Agency for Medical Research and Development (JP19gm0810010h0604)
Article History
Received: 20 January 2021
Accepted: 8 June 2021
First Online: 23 June 2021
Declarations
:
: All animal experiments were reviewed and approved by the Animal Care and Use Committee of the Niigata University of Health and Welfare and were executed according to the Fundamental Guidelines for Proper Conduct of Animal Experiments and Related Activities in Academic Research Institutions in Japan and the Ethical Guidelines of the International Association for the Study of Pain (Zimmermann M, Ethical guidelines for investigations of experimental pain in conscious animals. <i>Pain</i> 16: 109–110, 1983).
: All the authors have read and approved the final version of the manuscript.
: The authors declare that they have no conflict of interest related to this study.