1. School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
2. Acute Geriatric Unit; S. Gerardo Hospital; Monza Italy
3. Milan Center for Neuroscience (Neuro-Mi); Milan Italy
4. “Antonio Vivaldi” RSA Foundation; Como Italy
5. Department of Rehabilitation and Aged Care "Fondazione Camplani" Hospital; Cremona Italy
6. Department of Statistics and Quantitative Methods, Unit of Biostatistics, Epidemiology and Public Health; University of Milano-Bicocca; Milan Italy
7. Neuroscience and Mental Health Institute; University of Alberta; Edmonton Canada
8. Epidemiology Unit ATS della Brianza; Local Health Authority; Monza Italy