1. Seràgnoli Hospice Foundation Onlus, Bologna, Italy.
2. Department of Specialized, Experimental, and Diagnostic Medicine, University of Bologna, Sant’ Orsola-Malpighi Hospital, Bologna, Italy.
3. ATLANTES Research Programme, Institute for Culture and Society, University of Navarra, Pamplona, Navarra, Spain.
4. Academy of Sciences of Palliative Medicine, Bologna, Italy.
5. Clínica Universidad de Navarra, Institute of Culture and Society, University of Navarre, IdiSNA, Navarra, Spain.
6. Instituto de investigación sanitaria de Navarra (IdiSNA), Pamplona, Navarra, Spain.