title: Comment on West, Shahab & Brown (2016): 'Estimating the population impact of e-cigarettes on smoking cessation in England'.
authors.affiliation: Department of Health Management and Policy, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA. kwarner@umich.edu.
authors.forename: Kenneth E
authors.initials: KE
authors.lastname: Warner
mesh_terms: D066300:Electronic Nicotine Delivery Systems; D004739:England; D012907:Smoking; D016540:Smoking Cessation
keywords: Cigarette smoking; electronic cigarettes; epidemiology; research; smoking cessation