Published on in Vol 6, No 1 (2017): January
1 Institut Català d’Oncologia-ICO, Tobacco Control Unit, Cancer Control and Prevention Programme, L'Hospitalet del Llobregat, Spain
2 Cancer Control and Prevention Group, Institut d’Investigació Biomèdica de Bellvitge-IDIBELL, L’Hospitalet de Llobregat, Spain
3 Universitat Internacional de Catalunya, Medicine and Health Sciences School, Sant Cugat del Vallés, Spain
4 Institut Català d’Oncologia-ICO, Training Unit, L’Hospitalet de Llobregat, Spain
5 Institut Català d’Oncologia-ICO, Tobacco Control Unit, Cancer Control and Prevention Programme, L’Hospitalet de Llobregat, Spain
6 Management Department, Instituto Oncologico del Oriente Boliviano de Santa Cruz de la Sierra, Santa Cruz de la Sierra, Bolivia
7 Public Health Department, Ministerio de Salud y Pública y Bienestar Social, Asuncion, Paraguay
8 Radiation Oncology Department, Instituto de Cancerología y Hospital Dr. Bernardo, Guatemala, Guatemala
9 School of Medicine, Department of Clinical Sciences, Universitat de Barcelona, L'Hospitalet del Llobregat, Spain
*these authors contributed equally