Graciano, Agnaldo J.
Fischer, Carlos A.
Coelho, Guilherme V.
Steck, José H.
Paschoal, Jorge R.
Chone, Carlos T.
Article History
Received: 10 July 2018
Accepted: 11 September 2018
First Online: 19 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.
: Written informed consent was obtained from all individual participants included in the study.