title: Commentary on Nakamura et al. (2014): Alcohol policy appraisal and evaluation-to understand what is happening and why, we need better data on alcohol as a commodity.
authors.affiliation: Department of Automatic Control and Systems Engineering, University of Sheffield, Mappin Street, Sheffield, S1 3JD, UK. r.purshouse@sheffield.ac.uk.
authors.forename: Robin C
authors.initials: RC
authors.lastname: Purshouse
authors.forename: John
authors.initials: J
authors.lastname: Holmes
authors.forename: Petra S
authors.initials: PS
authors.lastname: Meier
mesh_terms: D000434:Alcoholic Beverages / Q000706:statistics & numerical data*; D003132:Commerce / Q000706:statistics & numerical data*; D006801:Humans
keywords: Alcohol; appraisal; data; evaluation; policy; sales promotion