1. Tomaz Ribeiro Primary Health Care Center, Dão Lafões Primary Health Care Centers Grouping, Viseu, Portugal
2. Instituto de Medicina Preventiva e Saúde Pública, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
3. Behaviour and Health Research Unit, University of Cambridge, Cambridge, UK
4. Academic Centre for General Practice, KU Leuven, Leuven, Belgium
5. Institute for Social Marketing, UK Centre for Tobacco and Alcohol Studies, University of Stirling, Stirling, UK
6. Division of Quality Management, Directorate-General of Health, Lisbon, Portugal