1. Department of Neurosciences, University of Parma, Parma, Italy
2. Dipartimento di Emergenza-Urgenza e Area Medica Generale e Specialistica, Azienda Ospedaliero-Universitaria, Parma, Italy
3. Centre of Cognitive Disorders and Dementia (CDCD), AUSL, Parma, Italy
4. Department of Medical Physic, Azienda Ospedaliero-Universitaria, Parma, Italy
5. Department of Nuclear Medicine Department, Azienda Ospedaliero-Universitaria, Parma, Italy