- Correspondence to Stanton A Glantz, Department of Medicine, University of California San Francisco, Center for Tobacco Control Research and Education, Room 366 Library, 530 Parnassus, San Francisco, CA 94143-1390, USA;
- Received 1 October 2012
- Accepted 29 January 2013
- Published in print 1 February 2013.
- Published online 8 February 2013.
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