De David, S. C.
Mário, T. G.
De Freitas, G. C.
Kantorski, K. Z.
Wikesjö, U. M. E.
Moreira, Carlos Heitor Cunha
Article History
Received: 16 November 2016
Accepted: 23 January 2018
First Online: 15 February 2018
Compliance with ethical standards
:
: The authors declare they have no conflict of interest.
: This study was performed in accordance with the Declaration of Helsinki and was approved by the Ethics Committee in Research of Federal University of Santa Maria. (CAAE: 0186.0.243.00-10).
: After an explanation of the purpose of study and any questions answered by one of the investigators, subjects agreeing to participate in this study signed an informed consent.