@article {418, editor = {,}, title = {Correction}, volume = {20}, number = {6}, pages = {418--418}, year = {2011}, doi = {10.1136/tc.2011.040170corr1}, publisher = {BMJ Publishing Group Ltd}, issn = {0964-4563}, URL = {https://tobaccocontrol.bmj.com/content/20/6/418}, eprint = {https://tobaccocontrol.bmj.com/content/20/6/418.full.pdf}, journal = {Tobacco Control} }