1. Dipartimento Fragilità, ASST Lecco, Lecco, Italy.
2. Epidemiology and Programming Service, Department of Planning, Purchasing and Control ATS Brianza, Monza, Italy.
3. Fondazione Floriani, Milan, Italy.
4. Agenzia di Tutela della Salute della Montagna, Sondrio, Italy.
5. Italian College of General Practitioners and Primary Care, Florence, Italy.
6. Department of Statistics and Quantitative Methods and CRISP, University Bicocca-Milan, Milan, Italy.
7. Italian Society of Palliative Care, Milan, Italy.