Questions or comments about this article may be directed to Otto J. Hernandez Fustes, MD PhD MSc, at [email protected]. O.J.H. is Neurologist at InNeuro, Curitiba, Paraná, Brazil.

Carlos Arteaga Rodriguez, MD MSc, is Neurologist, Medicine Department, Universidade Positivo, Curitiba, Paraná, Brazil.

The authors declare no conflicts of interest.

All authors have (a) contributed substantively to the conception, design, or analysis and interpretation of the data; (b) contributed substantively to the drafting of the manuscript or critical revision for important intellectual content; (c) given final approval of the version to be published; and (d) agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.