Table 1. Selection process for the articles included in the literature review.

Online search in the Pubmed, EMBASE, Cinahl & Google Scholar
Search results (n = 95)
Review of articles based on title & abstract
Accepted for further review and analysis (n = 10)	Exclusion due to noncompliance with inclusion criteria (n = 85) – Non-accessible (full text not available): 45; Disputed results: 25; Repeated articles: 15
Review based on inclusion criteria
Articles included in review (n = 10)	Exclusion due to noncompliance with inclusion criteria (n = 0)