[1] Univ Hosp Parma, Med Oncol Unit, Parma, Italy
[2] Ist Toscano Tumori, Coordinamento Sperimentaz Clin 4Ctr, Genoa, Italy
[3] Natl Canc Inst, Amsterdam, Netherlands
[4] Osped Riuniti Bergamo, Bergamo, Italy
[5] Irst Meldola, Oncol, Melola, Italy
[6] Osped Reggio Emilia, Reggio Emilia, Italy
[7] Osped Molinette, Molinette, Italy
[8] Osped Careggi, Florence, Italy
[9] San Camillo Forlanini, Rome, Italy
[10] Osped Perugia, Perugia, Italy
[11] Osped Verona, Verona, Italy
[12] Osped Sassari, Sassari, Italy
[13] Policlin Modena, Modena, Italy
[14] Ist Nazl Tumori, Naples, Italy
[15] Osped Cuneo, Cuneo, Italy
[16] Osped Livorno, Livorno, Italy
[17] Vrije Univ, Med Ctr, Pulmonol Dept, Amsterdam, Netherlands