“…Thirty-four studies conducted in seven countries (USA, 23; UK, 4; Australia, 2; Canada, 2; Croatia, 1; Japan, 1; Scotland, 1) were included in this systematic review. Of these, six studies are randomized controlled trials (RCT) [ 23 , 24 , 25 , 26 , 27 , 28 ]; one study is a follow-up survey [ 29 ]; one study is a correlational study [ 30 ]; one study is an interrupted time series (ITS) analysis [ 31 ]; two studies are nonexperimental design studies [ 32 , 33 ]; one study is quasi-experimental pre–post design study [ 34 ]; 17 studies are qualitative studies (in these, we considered single-case studies) [ 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 ]; one study is both literature review and a qualitative research study [ 52 ]; two studies are qualitative and quantitative studies [ 53 , 54 ]; two studies are quantitative studies [ 55 , 56 ].…”