Following the selection criteria established previously, 12 articles were included, obtained in a systematic way of verifiable quality and qathered in a synoptic table. The following, it was established a general overview of assessed articles.
Among the texts included in the integrative review, three (25%) were published in the year 2004, two (16.7) in the year 2005, other two (16.7%) in the year 2010, another two (16.7%) in the yeay of 2011 and one (8.3%) article was submitted for each of the following years: 2006, 2007 and 2008.