“…From all the included trials, 29 used PPI-triple therapy [17]–[25], [27]–[29], [31]–[41], [43]–[46], [48], [49], three used sequential therapy [26], [30], [42] and one used bismuth-quadruple therapy [47]. These studies were undertaken in Argentina [25], Brazil [46], mainland China [41], [49], China (Taiwan) [21], Finland [23], France [38], Iran [43], [45], [47], Italy [17]–[20], [22], [26], [29], [30], [32], [42], [44], Japan [40], Korea [31], [35], Poland [27], [34], Romania [33], Turkey [28], [36], [37], [39], United Kingdom [24] and the United Arabian Emirates [48]. (Table 1)…”