Place of publication | Year of publication | Methodological aspects | Level of evidence |
Brazil | 2014 | Transversal, descriptive and qualitative | IV |
Brazil | 2013 | Transversal, descriptive and qualitative | IV |
Brazil | 2008 | Case study | IV |
Brazil | 2013 | Transversal, descriptive, quantitative and qualitative | IV |
USA | 2005 | Case study | IV |
USA | 1997 | Case study | IV |
USA | 2008 | Transversal, analytical e quantitativeandqualitative | III.2 |
USA | 2002 | Transversal, analytical and quantitative | IV |
USA | 1999 | Transversal, analytical and quantitative | IV |
USA | 2011 | Transversal, descriptive and qualitative | IV |
USA | 2015 | Longitudinal, descriptive and quantitative | III.3 |
USA | 2014 | Transversal, descriptive and qualitative | IV |
Brazil | 2007 | Bibliographic research | IV |
USA | 2012 | Bibliographic research | IV |
USA | 2015 | Bibliographic research | IV |
USA | 1999 | Bibliographic research | IV |
USA | 1996 | Bibliographic research | IV |
USA | 2003 | Bibliographic research | IV |