- Correspondence to Professor Laura Llambi, Tobacco Cessation Clinic, Internal Medicine Department, Clinica Medica "A" Hospital de Clinicas, Facultad de Medicina, Universidad de la República, 11600, Montevideo, Uruguay;
- Received October 9, 2017
- Revised November 28, 2017
- Accepted December 8, 2017
- First published January 19, 2018.
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