[1] KLINIKUM RECHTS DER ISAR,MUNICH,GERMANY
[2] UNIV GLASGOW,GLASGOW,SCOTLAND
[3] ST RADBOUD HOSP,NIJMEGEN,NETHERLANDS
[4] UNIV ANTWERP HOSP,ANTWERP,BELGIUM
[5] KATHOLIEKE UNIV LEUVEN,LOUVAIN,BELGIUM
[6] FREE UNIV AMSTERDAM HOSP,AMSTERDAM,NETHERLANDS
[7] FREE UNIV AMSTERDAM,NDDO,AMSTERDAM,NETHERLANDS
[8] RHONE POULENC RORER,ANTONY,FRANCE
[9] ROTTERDAM CANC INST,ROTTERDAM,NETHERLANDS