“…Once the inclusion and exclusion criteria were defined, we proceeded to select the articles in several stages (Figure 1): In the first stage, we identified 551 items, as indicated above, where they were exported to Endnote, and the duplicates were removed (n = 119). In the second stage, we manually examined the title, abstract and keywords of the remaining 432 articles, discarding all those papers whose analysis did not focus on poverty and transport [27] (n = In the first stage, we identified 551 items, as indicated above, where they were exported to Endnote, and the duplicates were removed (n = 119). In the second stage, we manually examined the title, abstract and keywords of the remaining 432 articles, discarding all those papers whose analysis did not focus on poverty and transport [27] (n = 37) and those that had no citations (n = 39) since to determine the relevance of the articles, the number of citations they receive is taken into account as the best indicator of influence [37].…”