Databases Searched | Inclusion Criteria | Exclusion Criteria |
Medline/Pubmed PsycINFO Google Scholar British Nursing Index ProQuest Elsevier EBSCOhost (CINAHL) Plus | Publications in English and Arabic languages Published 2000-2015 Relevance to the study question Any study design | Publications in languages other than English and Arabic Publications older than 2000 Editorials and commentaries |