Text and Data Mining valid from 2020-02-11
Received: 15 August 2019
Accepted: 27 January 2020
First Online: 11 February 2020
Compliance with ethical standards
: Considering the potential conflicts of interest described in the journal guidelines, the Authors have nothing to declare.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted: Londrina State University Ethics Committee on Animal Research and Welfare (approval number 5943.2017.85). Animal care and handling procedures also followed the guideline of the International Association for Study of Pain (IASP) and Brazilian Council on Animal Experimentation (CONCEA).