Bitran, Alberto http://orcid.org/0000-0002-3774-5204
Rasslan, Roberto http://orcid.org/0000-0003-1540-0050
de Oliveira Ferreira, Fabio http://orcid.org/0000-0002-5340-2578
Utiyama, Edivaldo Massazo http://orcid.org/0000-0002-8376-975X
Rasslan, Samir http://orcid.org/0000-0002-1800-6780
Article History
Received: 9 November 2019
Accepted: 20 December 2019
First Online: 16 January 2020
Compliance with ethical standards
:
: None to declare.
: This study was approved by the Hospital das Clinicas ethics committee. Protocol number: 0736/10.