[1] Antoni Van Leeuwenhoek Hosp, Netherlands Canc Inst, NL-1066 CX Amsterdam, Netherlands
[2] Ist Nazl Studio & Cura Tumori, I-20133 Milan, Italy
[3] Hosp Gen Asturias, E-33006 Oviedo, Spain
[4] London Reg Canc Ctr, London, ON N6A 4L6, Canada
[5] Rotterdam Canc Inst, Daniel Den Hoed Klin, Rotterdam, Netherlands
[6] Univ Rotterdam Hosp, Rotterdam, Netherlands
[7] King Faisal Specialist Hosp & Res Ctr, Riyadh 11211, Saudi Arabia
[8] European Org Res Treatment Canc, Ctr Data, Brussels, Belgium