Skip to main content
. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Epidemiol Infect. 2015 Jan 20;143(12):2473–2485. doi: 10.1017/S0950268814003847

Figure 1.

Figure 1

Flow chart of study selection for systematic review. Boxes indicate number of papers under consideration after each step in paper identification process. Steps in paper selection leading to inclusion or exclusion are identified by arrows.