1. Department of Psychology, University of Padua, Padua, Italy
2. Alzheimer's Disease Research Center, University of California, San Diego, CA, USA
3. Department of Neuroscience, University of Parma and Center for Cognitive Disorders, AUSL of Parma, Parma, Italy
4. Villa Santa Maria, Neuropsychiatric Rehabilitation Centre, Tavernerio, Como, Italy