1. Geriatric Research Group, Brescia
2. Geriatric Research Group and Alzheimer's Disease Unit, IRCCS ‘Centro S. Giovanni di Dio’, Brescia
3. Psychogeriatric Service, University of Padova, Padova
4. Geriatric Research Group, Brescia and ‘Ancelle della Carità’ Hospital, Cremona
5. Geriatric Research Group, Brescia and University of Rome, Rome, Italy