1. Palliative Care Unit, “San Carlo” Hospital, Via Potito Petrone, Potenza, Italy
2. Department of Neurology, INRCA-IRCCS National Institute of Health and Science on Aging, Via della Montagnola, Ancona, Italy
3. Palliative Care Center Hospice “Casa di Betania”, Tricase (Lecce), Italy
4. Psycho-Oncology Unit, IRCCS Istituto Tumori “Giovanni Paolo II”, Bari, Italy
5. Grumo Appula Hospice—ASL Bari, Italy
6. Biostatistics and Data Management Unit, Medi Service S.r.l., Genova, Italy
7. “Il Giardino del Duca” Hospice, Fossombrone, Italy
8. Biostatistical Center, INRCA-IRCCS National Institute of Health and Science on Aging, Via S. Margherita, Ancona, Italy
9. Hematology, “San Carlo” Hospital, Via Potito Petrone, Potenza, Italy
10. Medical Oncology, “San Carlo” Hospital, Via Potito Petrone, Potenza, Italy