10.1371/journal.pone.0090347.g001 Emma L. Giles Emma L. Giles Shannon Robalino Shannon Robalino Elaine McColl Elaine McColl Falko F. Sniehotta Falko F. Sniehotta Jean Adams Jean Adams Flow diagram of study selection and exclusion. Public Library of Science 2014 Clinical research design meta-analyses Systematic reviews Non-clinical medicine Health care policy Comparative effectiveness research Public health alcohol Behavioral and social aspects of health Health screening immunizations preventive medicine tobacco control psychology Cognitive psychology motivation diagram 2014-03-11 03:25:26 Figure https://plos.figshare.com/articles/figure/_Flow_diagram_of_study_selection_and_exclusion_/958293 <p>Flow diagram of study selection and exclusion.</p>