1. Lino Maestroni Foundation, Palliative Medicine Research Institute, Cremona, Italy.
2. Department of Public Health and Microbiology, Faculty of Medicine and Surgery, University of Turin, Turin, and Mario Negri Institute, Milan, Italy.
3. Neuro-rehabilitation and Alzheimer's Disease Evaluation Unit, “Figlie di San Camillo” Hospital, Cremona, Italy.
4. Geriatric Polifunctional Center S. Pietro of Monza, Monza, Italy.
5. Rehabilitation and Alzheimer's Disease Evaluation Unit, Ancelle della Carità Hospital, Cremona, Italy.
6. Department of Public Health and Microbiology, Faculty of Medicine and Surgery, University of Turin, Turin, Italy.
7. Geriatric Institute “Pio Albergo Trivulzio,” Milan, Italy.
8. Department of General Practice & Elderly Care Medicine, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands.
9. See .