Systematic literature searches of peer-reviewed papers published between 2002-2012 were carried out using the CINAHL, Science Direct and PubMed electronic databases.



CINAHL
Systematic literature searches of peer-reviewed papers published between 2002-2012 were carried out using the CINAHL, Science Direct and PubMed electronic databases.



Science Direct
Systematic literature searches of peer-reviewed papers published between 2002-2012 were carried out using the CINAHL, Science Direct and PubMed electronic databases.



PubMed