Brito, A. E. T.
Mourato, F. A.
de Oliveira, R. P. M.
Leal, A. L. G.
Filho, P. J. A.
de Filho, J. L. L.
Article History
Received: 27 January 2019
Accepted: 4 February 2019
First Online: 11 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The local Institutional Review Board approved this study. Since this was a retrospective study with secondary data, the Local Ethics Committee did not request individual informed consent. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.