[1] Med Spectrum Twente, Enschede, Netherlands
[2] Natl Canc Inst, Bratislava, Slovakia
[3] St Elisabeth Canc Inst, Bratislava, Slovakia
[4] Inst Oncol, Kosice, Slovakia
[5] Royal Marsden Hosp, Sutton, Surrey, England
[6] Princess Margaret Hosp, Toronto, ON M4X 1K9, Canada
[7] Novartis Pharmaceut AG, Basel, Switzerland
[8] Novartis Pharmaceut Corp, E Hanover, NJ USA
[9] Netherlands Canc Inst, Amsterdam, Netherlands