[1] Aviano Canc Ctr, Div Med Oncol & AIDS, I-33081 Aviano, Italy
[2] Aviano Canc Ctr, Div Med Oncol, I-33081 Aviano, Italy
[3] Gen Hosp, Div Med Oncol, Ravenna, Italy
[4] European Org Res & Treatment Canc Data Ctr, Brussels, Belgium
[5] Inst Jules Bordet, Dept Hematol, B-1000 Brussels, Belgium
[6] Univ Hosp, Div Med Oncol, Louvain, Belgium
[7] Univ Leiden Hosp, Dept Hematol, NL-2300 RC Leiden, Netherlands
[8] Univ Leiden Hosp, Dept Radiat Oncol, NL-2300 RC Leiden, Netherlands
[9] Netherlands Canc Inst, Div Med Oncol, Amsterdam, Netherlands