Descripción: “... study, prior notification and authorization by author. Results: In the social factors...”

Descripción: “... as retrospective studies. The authors pointed out the main characteristics of the disease, the patients...”

Descripción: “..., authors, and definitions; 60 articles were grouped in a matrix, subsequently analyzed and integrated...”

Descripción: “... and 95% margin of error of 7%. For data collection, a survey was conducted by the author with statistical...”