[1] UNIV COLORADO,HLTH SCI CTR,DENVER,CO
[2] NETHERLANDS CANC INST,AMSTERDAM,NETHERLANDS
[3] UNIV MARYLAND,CTR CANC,BALTIMORE,MD 21201
[4] UNIV HOSP GENEVA,GENEVA,SWITZERLAND
[5] INST GUSTAVE ROUSSY,VILLEJUIF,FRANCE
[6] MATER PRIVATE HOSP,DUBLIN,IRELAND
[7] JEFFERSON CANC CTR,PHILADELPHIA,PA
[8] UNIV VIENNA,VIENNA,AUSTRIA
[9] GROSSHANSDORF HOSP,GROSSHANSDORF,GERMANY
[10] MEM SLOAN KETTERING CANC CTR,NEW YORK,NY 10021
[11] CANC CTR,NASHVILLE,TN
[12] FINSEN INST,DK-2100 COPENHAGEN,DENMARK
[13] GUYS HOSP,LONDON SE1 9RT,ENGLAND
[14] UMEA UNIV,UMEA,SWEDEN
[15] UNIV VIENNA,INNERE MED KLIN 1,VIENNA,AUSTRIA
[16] CHARLES UNIV,PRAGUE,CZECH REPUBLIC
[17] INST GUSTAVE ROUSSY,VILLEJUIF,FRANCE
[18] KAROLINSKA HOSP,S-10401 STOCKHOLM,SWEDEN
[19] BRITISH COLUMBIA CANC AGCY,VANCOUVER V5Z 4E6,BC,CANADA
[20] ZENTRUM INNERE MED,LEVERKUSEN,GERMANY
[21] FREE UNIV AMSTERDAM HOSP,AMSTERDAM,NETHERLANDS
[22] HOSP BADALONA GERMANS,BARCELONA,SPAIN
[23] S LUIGI GONZAGA HOSP,ORBASSANO,ITALY
[24] INST JULES BORDET,B-1000 BRUSSELS,BELGIUM
[25] UNIV HOSP DIJKZIGT,3015 GD ROTTERDAM,NETHERLANDS
[26] UNIV ZURICH HOSP,CH-8091 ZURICH,SWITZERLAND
[27] UNIV CATHOLIQUE LOUVAIN,B-1200 BRUSSELS,BELGIUM
[28] CHRISTIE HOSP,NHS TRUST,MANCHESTER,ENGLAND
[29] POLICLIN MONTELUCE,PERUGIA,ITALY
[30] UNIV MICHIGAN,ANN ARBOR,MI 48109