Brietzke, Cayque http://orcid.org/0000-0002-7557-3140
Franco-Alvarenga, Paulo Estevão http://orcid.org/0000-0002-0894-786X
Pires, Flávio Oliveira http://orcid.org/0000-0003-4538-1751
Article History
First Online: 25 February 2019
Compliance with Ethical Standards
:
: No sources of funding were used to assist in the preparation of this letter.
: Cayque Brietzke, Paulo Estevão Franco-Alvarenga and Flávio Oliveira Pires declare that they have no conflicts of interest relevant to the content of this letter.