[1] Inst Curie, Serv Chimiotherapie, Paris, France
[2] Regina Elena Inst Canc Res, I-00161 Rome, Italy
[3] Inst J Paoli I Calmettes, Dept Med, F-13009 Marseille, France
[4] St Vincents Hosp, Dept Oncol, Fitzroy, Vic 3065, Australia
[5] Inst Bergonie, MEC Med Ctr, Bordeaux, France
[6] Ctr Rene Huguenin, Med Oncol Serv, St Cloud, France
[7] City Hosp Nottingham, Dept Clin Oncol, Nottingham, England
[8] Wesley Med Ctr, Clin Oncol, Auchenflour, Australia
[9] Hosp Miguel Servet, Dept Oncol, Zaragoza, Spain