[1] COPENHAGEN UNIV HOSP,DEPT ONCOL,DK-2730 HERLEV,DENMARK
[2] INST NAZL STUDIO TUMORI,MILANO,ITALY
[3] DET NORSKE RADIUMHOSP,OSLO,NORWAY
[4] EORTC,CTR DATA,BRUSSELS,BELGIUM
[5] ANTONI VANLEEUWENHOEKHUIS,AMSTERDAM,DENMARK
[6] CHRISTIE HOSP & HOLT RADIUM INST,MANCHESTER M20 9BX,LANCS,ENGLAND
[7] HOSP GEN ASTURIAS,OVIEDO,SPAIN
[8] INST GUSTAVE ROUSSY,F-94805 VILLEJUIF,FRANCE
[9] FREE UNIV AMSTERDAM,AKAD ZIEKENHUIS,1007 MC AMSTERDAM,NETHERLANDS
[10] FINSEN INST,DK-2100 COPENHAGEN O,DENMARK