[1] GRP HOSP PITIE SALPETRIERE,DEPT HEMATOL,F-75634 PARIS 13,FRANCE
[2] REGA INST,LEUVEN,FRANCE
[3] HOP ANTOINE BECLERE,SERV CENT ANAT & CYTOL PATHOL,CLAMART,FRANCE
[4] HOP NECKER ENFANTS MALAD,SERV CENT ANAT & CYTOL PATHOL,F-75730 PARIS 15,FRANCE
[5] HOP HOTEL DIEU,SERV CENT ANAT & CYTOL PATHOL,F-75181 PARIS 04,FRANCE