1. National Center for Disease Prevention and Health Promotion, National Institute of Health, Rome, Italy
2. Department of Human Neuroscience, “Sapienza” University, Rome, Italy
3. Center for Research and Treatment on Cognitive Dysfunctions, “Luigi Sacco” University Hospital, Milan, Italy
4. Department of Epidemiology, Regional Health Service, Lazio Region, Rome, Italy
5. Department of Biomedical and Clinical Sciences “Luigi Sacco”, University of Milan, Milan, Italy