- Correspondence to Belén Sáenz de Miera Juárez, Tobacco Control Research Department, Center for Population Health Research, National Institute of Public Health. Avenida Universidad 655, Colonia Santa María Ahuacatitlan, Cuernavaca, Morelos 62100, Mexico; ,
- Received December 19, 2012
- Revised August 15, 2013
- Accepted September 5, 2013
- First published October 10, 2013.
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