“…The interventions were carried out in a diverse range of countries. Seven studies were conducted in the United States of America [41][42][43][44]48,54,56], five in the United Kingdom [45,47,50,51,53], three in Greece [35,47,53], two in Iran [33,46], two in Italy [37,49], one in Japan [36], Spain [34], Sweden [52], Germany [39], Malaysia [40], Australia [57], Canada [38], and Norway [55]. The sample size ranged from 35 to 20,800 and participants were older than 12 years of age.…”