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Article History

Received: 18 May 2017

Accepted: 13 August 2017

First Online: 19 August 2017

Compliance with ethical standards

: Animals were maintained and experiments were conducted in accordance with the guidelines of the International Association for the Study of Pain (Zimmermann) and with the <i>2011 Guide for the Care and Use of Laboratory Animals</i> (Institute of Laboratory Animal Resources on Life Sciences, National Research Council, National Academy of Sciences, Washington, DC) and were approved by the Institutional Animal Care and Use Committee, University at Buffalo, the State University of New York (Buffalo, NY).

: The authors declare that they have no competing interests.