[1] Univ Wolverhampton, Sci & Engn, Wolverhampton, W Midlands, England
[2] Univ Torino, Dipartimento Oncol, Turin, Italy
[3] Fdn GIMEMA Onlus, Res, Rome, Italy
[4] Fdn GISCAD, Res, Milan, Italy
[5] Univ Campania Luigi Vanvitelli, Stat Med, Naples, Italy
[6] Regina Elena Inst Canc Res, Biostat Unit, Rome, Italy
[7] Azienda Osped Colli Monaldi, Oncol, Naples, Italy
[8] Federaz Italiana Assoc Volontariato Oncol, FAVO, Rome, Italy
[9] AIMaC Assoc Italiana Malati Canc, Rome, Italy
[10] AIMaC Assoc Italiana Malati Canc, Res, Rome, Italy
[11] Univ Messina, Dipartimento Econ, Messina, Italy
[12] SDA Bocconi Sch Management, Govt Hlth & Not Profit Div, Milan, Italy
[13] Ctr Studi Investimenti Sociali CENSIS, Area Welf & Salute, Rome, Italy
[14] Fdn Pascale, IRCCS, Ist Nazl Tumori, Clin Trial Unit, Naples, Italy