Received: 30 March 2017
Accepted: 26 January 2018
First Online: 9 February 2018
Compliance with ethical standards
: The handling of animals and the experiments conducted with them were carried out in strict accordance with institutional (Animal Experimentation Ethics Committee of the Federal University of Lavras (UFLA), Lavras, MG, Brazil) and national (National Council for Control of Animal Experimentation (CONCEA)) guidelines for the care and use of laboratory animals.
: The authors declare that they have no conflict of interest.