1. Regional Palliative Care Network, IRCCS AOU San Martino-IST, Genoa, Italy
2. Mario Negri Sud Institute, Mario Negri Sud Consortium, Chieti, Italy
3. Unit of Biostatistics, Scientific Institute Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
4. Unit of Respiratory Disease, Villa Scassi Hospital, ASL 3 Genovese, Genoa, Italy
5. Unit of Internal Medicine, Villa Scassi Hospital, ASL 3 Genovese, Genoa, Italy
6. Home Care Palliative Care Unit, ASL 3 Genovese, Genoa, Italy
7. Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK