- Correspondence to Cristina Martínez, Tobacco Control Unit, Cancer Prevention and Control Department, Institut Català d'Oncologia, Av. Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, Barcelona E-08908, Spain; ,
- Received August 4, 2012
- Revised January 10, 2013
- Accepted March 20, 2013
- First published April 17, 2013.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.