OUTCOMES AND CASE DISCUSSION
Characterization of the subjects
Data demonstrated that 6 of the subjects were retired, 2 did household chores, 2 were workers, 1 was a student, and 1 was unemployed. Males were predominant, with 10 subjects. Mean age was 54 and, regarding education, 11 had finished elementary school. These data was important because it enabled to learn that participants presented a low socioeconomic and cultural level.