Valle Nunes, André http://orcid.org/0000-0001-9120-0363
Guariento, Rafael Dettogni
Santos, Bráulio Almeida
Fischer, Erich
Article History
Received: 19 June 2018
Revised: 12 December 2018
Accepted: 13 December 2018
First Online: 26 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study complies with the current laws of Brazil, with procedures approved by the National Committee of Ethic in Research (<i>Comissão Nacional de Ética em Pesquisa</i> – CONEP).
: All participants were informed about the objectives of the study and they signed formal agreements, in accordance with procedures approved by the CONEP.