[1] DR DANIEL DEN HOED CANC CTR,DEPT IMMUNOL,POB 5201,3008 AE ROTTERDAM,NETHERLANDS
[2] TNO INST,CTR PRIMATE,RIJSWIJK,NETHERLANDS
[3] STATE UNIV LEIDEN HOSP,BLOOD BANK,2333 AA LEIDEN,NETHERLANDS
[4] UNIV MONTPELLIER 2,IMMUNOGENET LAB,F-34060 MONTPELLIER,FRANCE
[5] UNIV LEIDEN,DEPT PATHOL,LEIDEN,NETHERLANDS
[6] STATE UNIV LEIDEN HOSP,DEPT IMMUNOHAEMATOL,2333 AA LEIDEN,NETHERLANDS