title: Author's reply to Brown.
authors.affiliation: Suffolk, UK jgornall@mac.com.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Gornall
mesh_terms: D066300:Electronic Nicotine Delivery Systems; D006291:Health Policy / Q000331:legislation & jurisprudence*; D006801:Humans; D011639:Public Opinion; D012938:Social Perception; D019460:Tobacco Industry