“…Table 1 illustrates the characteristics of the articles included in this study. Of the 31 studies, 12 were conducted in the USA [37–40, 42–44, 47, 49, 55, 58, 60], four were conducted in Canada [45, 48, 57, 59], three conducted in German [20, 21, 41], two conducted in Ethiopia [7, 51], two conducted in France [22, 62], two conducted in Scotland) [56, 61], one conducted in China [63], one conducted in Spain [38], one conducted in the UK [50], one conducted in Japan [52], one conducted in Ireland [53], one conducted in Serbia [46], and one conducted in Australia [54]. The studies were published between 1984, and 2017, with the sample size ranging between 33 participants in the German and 29,143 participants in Canada.…”