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Authors
Resende, Uanderson https://orcid.org/0000-0001-6686-4985
Cabello, César
Ramalho, Susana Oliveira Botelho
Zeferino, Luiz Carlos
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Article History
Received: 30 January 2018
Accepted: 10 June 2019
First Online: 17 June 2019
Ethics approval and consent to participate
: This study was approved by the Ethics and Research Committee of Unicamp (No. 2.238.253). For this type of study (retrospective data analysis), the application of formal consent was disclaimed by the Research Ethics Committee. All procedures in the current study were in accordance with the ethical standards of the Institutional Research Committee and with the 1964 Helsinki Declaration and its later amendments.
: Not applicable.
: The authors declare that they have no competing interests.
