Figure 3
Flowchart illustrating the stages of literature review process. Records identified from Scopus, Emerald Insight, ScienceDirect, and Google Scholar totaling 382. Records removed before screening include duplicates, ineligible records marked by automation tools, and other reasons, totaling 1441. Records screened total 238. Records excluded total 61. Reports sought for retrieval total 177. Reports not retrieved total 9. Reports assessed for eligibility total 168. Reports excluded include review articles and articles prior to 2012, totaling 23. Papers included total 145.Identification of studies via database search