de Brito, Rubens http://orcid.org/0000-0001-5313-5214
Cisneros Lesser, Juan Carlos http://orcid.org/0000-0002-9541-637X
Lopes, Paula Tardim http://orcid.org/0000-0002-0501-0916
Bento, Ricardo Ferreira http://orcid.org/0000-0003-3749-4684
Article History
Received: 6 March 2018
Accepted: 29 May 2018
First Online: 1 June 2018
Compliance with ethical standards
:
: The authors declare no conflicts of interest.