1. Medical Area Department, University of Udine, Udine, Italy;
2. Department of Medical, Surgical and Health Sciences, Neurology Clinic, Azienda Sanitaria Universitaria Integrata di Trieste, Trieste, Italy;
3. Neurodegenerative Diseases Unit, Department of Basic Medicine Sciences, Neuroscience, and Sense Organs, University of Bari, Bari, Italy;
4. Neurodegenerative Diseases Unit, Department of Clinical Research in Neurology, University of Bari "Aldo Moro" at "Pia Fondazione Card. G. Panico", Tricase, Lecce, Italy;
5. Leibniz Institute for Prevention Research and Epidemiology—BIPS, Bremen, Germany