[1] La Maddalena, Anesthesia & Intens Care, I-90146 Palermo, Italy
[2] La Maddalena, Pain Relief & Support Care, I-90146 Palermo, Italy
[3] Univ Roma La Sapienza, Mol & Clin Med Med Oncol, I-00155 Rome, Italy
[4] IRCCS Fdn Pascale, Natl Canc Inst, Anesthesiol Resuscitat & Pain Therapy Dept, I-80131 Naples, Italy
[5] IRCCS Fdn, Natl Canc Inst, Palliat Care Pain Therapy & Rehabil, I-20133 Milan, Italy
[6] Careggi Hosp, Palliat Care & Pain Therapy Unit, I-50139 Florence, Italy
[7] ASL RM1, Primary Care Unit, I-00165 Rome, Italy
[8] Univ Roma Tor Vergata, Dept Clin Sci & Translat Med, I-00133 Rome, Italy
[9] Citta Salute & Sci Hosp Turin, Med Oncol Div 2, I-10126 Turin, Italy
[10] ASL 13 Mirano, Med Specialties Dept, Oncol & Oncol Hematol, I-30035 Venice, Italy
[11] Osped Circolo & Fdn Macchi Hosp, Med Oncol Unit, I-21100 Varese, Italy
[12] ARNAS Osped Civ Cristina Benfratelli, Med Oncol Unit, I-90127 Palermo, Italy
[13] AORN Cardarelli, Med Oncol, I-80131 Naples, Italy
[14] SAMO ONLUS, Palliat Care Unit, I-95131 Catania, Italy
[15] ASL AL, Palliat Care Unit, I-15033 Casale Monferrato, Italy
[16] ASL 3 Genovese, Palliat Care Unit, Dept Primary & Community Care, I-16125 Genoa, Italy
[17] IRCCS, European Oncol Inst, Palliat Care & Pain Therapy Unit, I-20141 Milan, Italy
[18] IRCCS Fdn Pascale, Natl Canc Inst, Abdominal Med Oncol, I-80131 Naples, Italy
[19] Papa Giovanni XXIII Hosp, Palliat Care & Pain Therapy Unit, I-24121 Bergamo, Italy
[20] Natl Canc Res Ctr Giovanni Paolo II, Med Oncol Unit, I-70124 Bari, Italy
[21] ASL 8, A Businco Hosp, Pain Therapy Unit, I-09134 Cagliari, Italy
[22] Univ Aquila, Sect Clin Epidemiol & Environm Med, Dept Biotechnol & Appl Clin Sci, I-67100 Laquila, Italy
[23] S Croce Hosp, Med Oncol Unit, I-61032 Fano Pesaro, Italy
[24] Univ Florence, Dept Hlth Sci, Sect Clin Pharmacol & Oncol, I-50139 Florence, Italy
[25] Univ Bologna, Dept Med & Surg Sci, I-40126 Bologna, Italy
[26] S Croce & Carle Hosp, PainTherapy, I-12100 Cuneo, Italy
[27] IRCCS Fdn, Pain Therapy ICS Maugeri, I-27100 Pavia, Italy
[28] Azienda Sanit Univ Integrata Trieste, Med Oncol, I-34128 Trieste, Italy
[29] Azienda Sanit Univ Integrata Udine, Med Oncol, I-33100 Udine, Italy
[30] S Camillo Forlanini Hosp, Palliat Care & Oncol Pain Serv, I-00152 Rome, Italy
[31] S Camillo Forlanini Hosp, Pain Med Unit, I-00152 Rome, Italy
[32] Monaldi Hosp, AO Dei Colli, Pain Relief, I-80131 Naples, Italy
[33] S Chiara Univ Hosp, Dept Oncol, Div Med Oncol, I-56126 Pisa, Italy
[34] Castelfranco Veneto Hosp, Med Oncol, I-31033 Treviso, Italy
[35] G Salvini Hosp, Dept Palliat Care, Hosp & Pain Therapy Unit, I-20024 Milan, Italy
[36] Campus Biomed Univ Rome, Dept Med Oncol, I-00128 Rome, Italy
[37] FARO Fdn, Palliat Care, I-10133 Turin, Italy
[38] Univ Aquila, Dept Biotechnol & Appl Clin Sci, I-67100 Laquila, Italy