1 Istituto Superiore di Sanita, National Centre on Addiction and Doping, Rome, Italy.
2 Finnish Institute for Health and Welfare, Helsinki, Finland.
3 National Koranyi Institute of Pulmonology, Budapest, Hungary.
4 National Institute of Public Health, Slovenia.
5 Ministry of Health - Prevention Department, Rome, Italy.
6 National Public Health Organization, Athens, Greece.
7 Group of Evaluation of Health Determinants and Health Policies, Department of Basic Sciences, Universitat Internacional de Catalunya, Sant Cugat del Valles, Spain.
8 National Programme for Smoking Prevention and Tobacco Control, General-Directorate of Health, Portugal.
9 Tobacco Control Unit and WHO Collaborating Center for Tobacco Control, Catalan Institute of Oncology (ICO), L'Hospitalet de Llobregat, Spain.
10 Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Spain.
11 Consortium for Biomedical Research in Respiratory Diseases (CIBERES), Madrid, Spain.
12 School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.
13 Policy Department of the Cyprus National Addictions Authority, Nicosia, Cyprus.
14 Institute of Public Health of Serbia "Dr Milan Jovanović Batut", Belgrade, Serbia.
15 Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy.
16 Ministerio de Sanidad, Madrid, Spain.
17 Croatian Institute of Public Health, Zagreb, Croatia.