Thank you to Jae Cooper and to Dr Ron Borland for provision of extensive data from the International Tobacco Control Policy Evaluation study, and to Dr Borland for many discussions over the years about this topic with both authors.
Thank you also to Dr Borland and to the following people for helpful comments on an earlier draft of this chapter: Kylie Lindorff, Dr Sarah Durkin, Dr Vicki White and Dr Melanie Wakefield from The Cancer Council Victoria, and to Professor Simon Chapman, University of Sydney.
Thank you to Professor Wayne Hall and Dr Coral Gartner from the University of Queensland for their extremely helpful advice and encouragement, and for provision of unpublished analyses from the National Drug Strategy Household Survey.