1. Palliative Care Unit, San Carlo Hospital, Potenza, Italy
2. Department of Neurology, INRCA-IRCCS National Institute of Science and Health on Aging, Ancona, Italy
3. Palliative Care Center, “Casa di Betania” Hospice, Tricase, Lecce, Italy
4. Biostatistical Center, INRCA-IRCCS National Institute of Science and Health on Aging, Ancona, Italy
5. Department of Psychology, University la Sapienza, Rome, Italy
6. Experimental Unit of Psycho-oncology, National Research Centre “Giovanni Paolo II,”, Bari, Italy