@article{Chu2017, author = "Anna Chu and Trishala Varma and Peter Petocz and Samir Samman", title = "{PRISMA diagram showing the systematic review process.}", year = "2017", month = "9", url = "https://plos.figshare.com/articles/figure/PRISMA_diagram_showing_the_systematic_review_process_/5424166", doi = "10.1371/journal.pone.0184827.g001" }