1. Epidemiology Unit, Regional Health Service ASL TO3, Turin, Italy
2. Prospettive Ricerca Socio-Economica S.A.S., Turin, Italy
3. WHO European Office for Investment for Health and Development, Venice, Italy
4. Department of Cultures, Politics and Society, University of Turin, Italy
5. Eclectica, Institute for Research and Training, Turin, Italy
6. Department of Clinical and Biological Sciences, University of Turin, Italy