@article{R. Bowman2016, author = "Leigh R. Bowman and Sarah Donegan and Philip J. McCall", title = "{PRISMA 2009 flow diagram.}", year = "2016", month = "9", url = "https://plos.figshare.com/articles/figure/PRISMA_2009_flow_diagram_/3956802", doi = "10.1371/journal.pntd.0004551.g001" }