[1] Fdn IRCCS Ist Nazl Tumori, Palliat Care Pain Therapy & Rehabil Unit, Milan, Italy
[2] Univ Roma Tor Vergata, Rome, Lazio, Italy
[3] Fdn IRCCS Ist Nazl Tumori, Med Oncol Dept, Milan, Italy
[4] Fdn IRCCS Ist Nazl Tumori, Clin Psychol Unit, Milan, Italy
[5] Fdn IRCCS Ist Nazl Tumori, Unit Clin Epidemiol & Trial Org, Milan, Italy
[6] Univ Milan, Milan, Italy