title: Regulating duty free sales and tobacco advertising in airports: a call for action.
authors.affiliation: Center for Global Tobacco Control, Department of Society, Human Development and Health, Harvard School of Public Health, (677 Huntington Avenue), Boston, MA (02115), USA. Vardavas@hsph.harvard.edu.
authors.forename: Constantine I
authors.initials: CI
authors.lastname: Vardavas
authors.forename: Andrew B
authors.initials: AB
authors.lastname: Seidenberg
authors.forename: Gregory N
authors.initials: GN
authors.lastname: Connolly