About the Authors

Simon Chapman

Simon.Chapman@sydney.edu.au

Affiliation University of Sydney, Sydney, Australia

Competing Interests

SC is a director of Action on Smoking and Health, Australia and editor emeritus of Tobacco Control.

Author Contributions

Wrote the first draft of the manuscript: SC. Contributed to the writing of the manuscript: SC. ICMJE criteria for authorship read and met: SC. Agree with manuscript results and conclusions: SC.