[1] Univ Hosp 12 Octubre, Div Med Oncol, Madrid SW3 6JJ, Spain
[2] Univ Toronto, Dept Med, Sunnybrook Odette Canc Ctr, Fac Med, Toronto SW3 6JB, ON, Canada
[3] Hosp Prato, Ist Toscano Tumori, Med Oncol Unit, Prato, Italy
[4] Univ Halle Wittenberg, Univ Klin & Poliklin Gynaekol, Halle, Saale, Germany
[5] Univ Paris 05, Inst Curie, Paris, France
[6] Natl Canc Inst, Bratislava, Slovakia
[7] Univ Hong Kong, Queen Mary & Tung Wah Hosp, Div Breast Surg, Hong Kong, Hong Kong, Peoples R China
[8] Tampere Univ Hosp, Tampere, Finland
[9] F Hoffmann La Roche, Basel, Switzerland
[10] Royal Marsden Hosp, London, England
[11] Inst Canc Res, London, England