1. National Center for Disease Prevention and Health Promotion Italian National Institute of Health Rome Italy
2. Department of Epidemiology Lazio Regional Health Service Rome Italy
3. Primary Care Health Authority of Lazio Region Rome Italy
4. Local Health Authority Naples 1 Campania Region Naples Italy
5. Health Authority of Campania Region Naples Italy
6. Soresa Campania Regional Healthcare Agency Naples Italy
7. Neurology Unit ASL Città di Torino Turin Italy
8. Geriatric unit Local Health Authority TO3 Piemonte Region Turin Italy
9. Epidemiology Unit Local Health Authority TO3 Piemonte Region Grugliasco Italy
10. Health Department Piemonte Region Turin Italy
11. Geriatric Local Health Authority Pistoia Italy
12. Epidemiology Unit Toscana Regional Health Agency Florence Italy
13. General Directorate for Health Prevention Ministry of Health Rome Italy