[1] Royal Marsden Hosp, Dept Radiotherapy & Oncol, Sutton, Surrey, England
[2] Princess Margaret Hosp, Dept Med Oncol & Hemotol, Toronto, ON M4X 1K9, Canada
[3] Antoni Van Leeuwenhoek Ziekenhuis, Dept Med Oncol, Amsterdam, Netherlands
[4] Med Spectrum Twente, Dept Internal Med & Hemotol, Enschede, Netherlands
[5] Canc Inst New Jersey, New Brunswick, NJ USA
[6] Jewish Gen Hosp, Lady Davis Inst Med Res, Montreal, PQ, Canada
[7] Novartis Pharmaceut, Oncol, E Hanover, NJ USA