Funding for this research was provided by:
Received: 9 October 2018
Accepted: 25 October 2018
First Online: 14 November 2018
Ethics approval and consent to participate
: This trial was approved by the Ethics Committee of the School of Medicine of the University of São Paulo (Protocol 1.464.870). All patients will be asked for written informed consent according to the standard forms and the researcher will obtain them.
: Written informed consent for publication of all images was obtained from the models.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.