About the Authors

Xisca Sureda

Affiliations Tobacco Control Unit, Cancer Control and Prevention Programme, Institut Català d'Oncologia-ICO, L'Hospitalet de Llobregat, Barcelona, Spain, Cancer Control and Prevention Group, Institut d'Investigació Biomèdica de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain, Department of Clinical Sciences, School of Medicine, Universitat de Barcelona, L'Hospitalet del Llobregat, Barcelona, Spain

Jose M. Martínez-Sánchez

Affiliations Tobacco Control Unit, Cancer Control and Prevention Programme, Institut Català d'Oncologia-ICO, L'Hospitalet de Llobregat, Barcelona, Spain, Cancer Control and Prevention Group, Institut d'Investigació Biomèdica de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain, Biostatistic Unit, Department of Basic Science, School of Medicine and Health Sciences, Universitat Internacional de Catalunya, Satn Cugat del Valles, Spain

Marcela Fu

Affiliations Tobacco Control Unit, Cancer Control and Prevention Programme, Institut Català d'Oncologia-ICO, L'Hospitalet de Llobregat, Barcelona, Spain, Cancer Control and Prevention Group, Institut d'Investigació Biomèdica de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain, Department of Clinical Sciences, School of Medicine, Universitat de Barcelona, L'Hospitalet del Llobregat, Barcelona, Spain

Raúl Pérez-Ortuño

Affiliation Bioanalysis Research Group, Neuropsychopharmacology Programme, IMIM-Hospital del Mar Research Institute, Parc de Recerca Biomèdica de Barcelona, Barcelona, Spain

Cristina Martínez

Affiliations Tobacco Control Unit, Cancer Control and Prevention Programme, Institut Català d'Oncologia-ICO, L'Hospitalet de Llobregat, Barcelona, Spain, Cancer Control and Prevention Group, Institut d'Investigació Biomèdica de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain, Catalan Network of Smoke-free Hospitals, Insitut Català d'Oncologia, L'Hospitalet de Llobregat, Barcelona, Spain, Department of Nursing, School of Medicine and Health Sciences, Universitat Internacional de Catalunya, Sant Cugat del Valles, Spain

Esther Carabasa

Affiliations Tobacco Control Unit, Cancer Control and Prevention Programme, Institut Català d'Oncologia-ICO, L'Hospitalet de Llobregat, Barcelona, Spain, Cancer Control and Prevention Group, Institut d'Investigació Biomèdica de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain, Catalan Network of Smoke-free Hospitals, Insitut Català d'Oncologia, L'Hospitalet de Llobregat, Barcelona, Spain

María J. López

Affiliations Evaluation and Interventions Methods Service, Agència de Salut Pública de Barcelona, Barcelona, Spain, Biomedical Research Centre Network for Epidemiology and Public Health (CIBERESP), Agència de Salut Pública de Barcelona, Barcelona, Spain, Institut d'Investigació Biomèdica-IBB Sant Pau, Barcelona, Spain

Esteve Saltó

Affiliations Public Health Agency, Ministry of Health, Generalitat de Catalunya, Barcelona, Spain, Department of Public Health, School of Medicine, Universitat de Barcelona, Barcelona, Spain

José A. Pascual

Affiliations Bioanalysis Research Group, Neuropsychopharmacology Programme, IMIM-Hospital del Mar Research Institute, Parc de Recerca Biomèdica de Barcelona, Barcelona, Spain, Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Parc de Recerca Biomèdica de Barcelona, Barcelona, Spain

Esteve Fernández

efernandez@iconcologia.net

Affiliations Tobacco Control Unit, Cancer Control and Prevention Programme, Institut Català d'Oncologia-ICO, L'Hospitalet de Llobregat, Barcelona, Spain, Cancer Control and Prevention Group, Institut d'Investigació Biomèdica de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain, Department of Clinical Sciences, School of Medicine, Universitat de Barcelona, L'Hospitalet del Llobregat, Barcelona, Spain, Catalan Network of Smoke-free Hospitals, Insitut Català d'Oncologia, L'Hospitalet de Llobregat, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EF. Performed the experiments: XS MF CM EC ES EF. Analyzed the data: XS JMMS MF MJL. Contributed reagents/materials/analysis tools: RPO JAP. Wrote the paper: XS EF. Critically revised the manuscript and contributed to the final version: XS JMMS MF RPO CM EC MJL ES JAP EF.