AUTHORS CONTRIBUTIONS
Josías C. Ríos-Ortega (Concept/design, Data analysis/interpretation, Drafting article), Necemio Aranda-Pretell MD(Concept/design, Data analysis/interpretation, Drafting article), Luisa Talledo-Paredes MD ( Data analysis/interpretation, Drafting article), Manuel Davila-Durand MD (Concept/design), Andres Reyes-Torres MD (Critical revision of article, Approval of article), Yemmy Pérez-Valverde (Critical revision of article, Approval of article), Julio Morón Castro MD(Critical revision of article, Approval of article).