... 43,63 The majority of studies included both men and women (n = 43), while 12 focused on women, 28,40,44,48,58,51,61,[66][67][68]70,71 and 2 on men. 50,59 The study aims included description of vaccination rates (n = 33), [18][19][20]22,[24][25][26][27]29,30,[32][33][34]36,37,39,[41][42][43]46,47,49,51,[57][58][59][60][61][62]64,65,69,72 barriers to vaccination (n = 34), 18,19,[21][22][23]28,[30][31][32][33]35,[38][39][40][41]44,[50][51][52][53]55,60,61,[63][64][65][66][67][68][69][70]73,75 and interventions to improve vaccination (n = 6). 35,36,45,48,56,71 The majority of studies were designed as cross-sectional (n = 41), [18][19][20][21][22][23][24][25][26][27][28][29][30][31]33,34,[37][38][39][40][41]43,44,46,47,49,51,52,55,[57][58][59][60][61][64][65][66][67]69,72,75 followed by qualitative (n = 10), 32,35,50,53,63,68,70,71,73,76 cohort (n = 3), 32,42,62 program evaluation (n = 2), 36,45 and quasi-experimental (n = 1). ...