[1] HOP ST LOUIS, SERV CLIN MALAD SANG, F-75475 PARIS 10, FRANCE
[2] HOP LA PITIE SALPETRIERE, F-75651 PARIS, FRANCE
[3] HOP ST LOUIS, U93, UNITE RECH IMMUNOGENET TRANSPLANTAT, F-75475 PARIS 10, FRANCE
[4] SCRIPPS RES INST, DEPT MOLEC & EXPTL MED, LA JOLLA, CA 92037 USA
[5] SCRIPPS CLIN, DIV HEMATOL, LA JOLLA, CA 92037 USA
[6] ASSOCIATED UNIV INC, BROOKHAVEN NATL LAB, DEPT MED, UPTON, NY 11973 USA
[7] BROOKHAVEN NATL LAB, DEPT MED, UPTON, NY 11973 USA
[8] INST PASTEUR, UNITE EPIDEMIOL VIRUS ONCOGENES, F-75724 PARIS 15, FRANCE
[9] INST PASTEUR, UNITE EPIDEMIOL VIRUS ONCOGENES, F-75015 PARIS, FRANCE
[10] WEIZMANN INST SCI, DEPT MOLEC GENET & VIROL, IL-76100 REHOVOT, ISRAEL
[11] LOMA LINDA UNIV HOSP, DEPT PATHOL & LAB MED, LOMA LINDA, CA 92350 USA