1. Palliative Care Unit, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori" Meldola Italy
2. Unit of Biostatistics and Clinical Trials, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori" Meldola Italy
3. Nursing Administration, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori" Meldola Italy
4. Medical Oncology Unit, Department of Specialized, Experimental and Diagnostic Medicine (DIMES) University of Bologna Bologna Italy