An initial search of MEDLINE (PubMed) and CINAHL was done, followed by the exploration of all the databases and all identified studies, published in English, Spanish, French and Portuguese. 
MEDLINE
An initial search of MEDLINE (PubMed) and CINAHL was done, followed by the exploration of all the databases and all identified studies, published in English, Spanish, French and Portuguese.  The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



CINAHL
An initial search of MEDLINE (PubMed) and CINAHL was done, followed by the exploration of all the databases and all identified studies, published in English, Spanish, French and Portuguese.  The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



PubMed
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



PsycINFO
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



Lilacs
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



Scielo
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



BVS
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



BVS-Psi
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



Scopus
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



Embase
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



Sociological Abstracts
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



Dissertation Abstracts International
The databases searched were CINAHL, PubMed, PsycINFO, Lilacs, Scielo, BVS, BVS-Psi, Scopus, Embase, Sociological Abstracts, Dissertation Abstracts International and the University of São Paulo Dissertations and Thesis bank and gray literature.



University of São Paulo Dissertations and Thesis bank