“…Six studies were conducted in Brazil, 21,22,24,29,32,34 3 in Finland, 25,27,30 1 in Sweden, 26 1 in South Africa, 23 1 in Thailand, 28 1 in Iran, 31 3 in India, 33,35,36 and 1 in Norway. 37 Among the 17 articles included, 14 were crosssectional, 21,22,[24][25][26][27]29,[31][32][33][34][35][36][37] 2 were follow-up studies, 23,30 and 1 was a clustered randomized controlled trial. 28 In all studies, except the study of Ahmed et al, 36 male and female participants were recruited.…”