A search was conducted in the Pubmed, CINAHL, Proquest Nursing & Allied Health Source, Proquest Psychology Journals, LILACS, Science Direct, Ovid SP, PsyicINFO, and SciELO databases during May and June 2013.
Se realizó una búsqueda en las bases de datos Pubmed, CINAHL, Proquest Nursing & Allied Health Source, Proquest Psychology Journals, LILACS, Science Direct, Ovid SP, PsyicINFO, y Scielo durante los meses de mayo y junio de 2013.