“…The duration period of the studies varied from 3 months to 3 years. Most of the studies used randomized control trials (Black et al, 2014;Blum & Gottlieb, 2014;Boyne et al, 2011;Cichosz, Ehlers & Hejlesen, 2016;Ferrante et al, 2010;Ong et al, 2016), and others are pre and post-study without using control group (Veenstra et al, 2015), prospective intervention study (Domingo et al, 2012), service-evaluation retrospective study (Eliat-Tsanani et al, 2016), observational study (Stut et al, 2015) and retrospective cohort study (Kao et al, 2016).…”