Author details

Adrian Fernando Narvaez Muñoz<sup>1</sup> \* and Daniela Albina Ibarra Vargas<sup>2</sup>

1 Department of Cardiovascular Surgery, Hospital de Especialidades Dr. Abel Gilbert Pontón, Guayaquil Clinic, Guayaquil, Ecuador

2 Department of Cardiology, Hospital de Especialidades Dr. Abel Gilbert Pontón, Guayaquil, Ecuador

\*Address all correspondence to: adrianfnm@hotmail.com

© 2019 The Author(s). Licensee IntechOpen. This chapteris distributed underthe terms oftheCreative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
