The authors declare that they have no conflicts of interest.
Ethical approval
The study complies with the Declaration of Helsinki. The project was approved by the Research Ethics Committee of the Federal University of Uberlândia, under the number of opinion 2496296 (Certificate of Presentation for Ethical Review: 48561715.5.2013.5152). All patients signed the informed consent form for the study itself.
Consent to participate
Informed consent to participate in the study was obtained from all participants.
Consent to publication
Not applicable.
Availability of data and materials
The data of this manuscript could be available from the corresponding authors upon reasonable request.
Open Exploration maintains a neutral stance on jurisdictional claims in published institutional affiliations and maps. All opinions expressed in this article are the personal views of the author(s) and do not represent the stance of the editorial team or the publisher.
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