“…The search was conducted without a lower time-limit and until July 12, 2021, and accordingly 16 validated studies were obtained in the period from 2013 to 2021. Among them, one study was conducted in Sweden [12], one study in France [25], one study in the Netherlands [26], one study in Latvia [27], another study in Canada [28] and other studies in the United States [ 13,[29][30][31][32][33][34][35][36][37][38]. Also, the research works were different in terms of implementation method, so that 8 studies [26,27,31,32, 34-37] by intervention method and, 8 other studies [12, 13, 25, 28-30, 33 , 38] were in the form of RCT (Table 1).…”