- Correspondence to Gera Nagelhout, STIVORO Dutch Expert Centre on Tobacco Control, PO Box 16070, The Hague 2500 BB, The Netherlands;
- Received October 15, 2012
- Accepted April 11, 2013
- First published May 3, 2013.
BMJ Publishing Group Limited takes no responsibility for the accuracy of the translation from the published English original and is not liable for any errors which may occur.
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