1. Seràgnoli Hospice Foundation, Bentivoglio, Italy.
2. Palliative Care Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy.
3. ATLANTES Research Programme, Institute for Culture and Society, University of Navarra, Pamplona, Spain.
4. Institute de Investigacion Sanitaria de Navarra (IdiSNA), University of Navarra, Pamplona, Spain.
5. Clinica Universidad de Navarra, Institute of Culture and Society, University of Navarra, IdiSNA, Pamplona, Spain.
6. Academy of Sciences of Palliative Medicine, Bentivoglio, Italy.
7. Department of Specialized, Experimental, and Diagnostic Medicine, Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.