[1] Ist Ricovero & Cura Carattere Sci IRCCS Arcispeda, Palliat Care Unit, Reggio Emilia, Italy
[2] IRCCS Azienda Osped Univ San Martino, Ist Nazl Ric Canc, Reg Palliat Care Network, Genoa, Italy
[3] IRCCS Azienda Osped Univ San Martino, Ist Nazl Ric Canc, Hosp Maria Chighine, Genoa, Italy
[4] Ist Studio & Prevenz Oncol, Clin & Descript Epidemiol Unit, Florence, Italy
[5] Azienda Unita Sanit Locale Bologna, Palliat Care Network, Bologna, Italy
[6] Biella Hosp, Palliat Care Unit, Biella, Italy
[7] Fdn Hosp Maria Teresa Chiantore Seragnoli, Bologna, Italy
[8] Fdn IRCCS Ist Nazl Tumori, Palliat Care Pain Therapy & Rehabil Unit, Milan, Italy
[9] Norwegian Univ Sci & Technol, Fac Med, European Palliat Care Res Ctr, N-7034 Trondheim, Norway
[10] Mario Negri Sud Consortium, Mario Negri Sud Inst, Chieti, Italy
[11] Kings Coll London, Cicely Saunders Inst, Dept Palliat Care Policy & Rehabil, London WC2R 2LS, England