[1] Inst Gustave Roussy, Serv Hematol, F-94805 Villejuif, France
[2] Inst Gustave Roussy, Lab Cytogenet, F-94805 Villejuif, France
[3] Inst Gustave Roussy, Serv Hematol Biol, F-94805 Villejuif, France
[4] Hop Andre Mignot, Serv Biol Med, F-78157 Le Chesnay, France
[5] Univ Morvan, Ctr Hosp, Serv Hematol, F-29609 Brest, France
[6] Inst Gustave Roussy, Mol Biol Lab, F-94805 Villejuif, France
[7] Hop Andre Mignot, Serv Hematol, F-78157 Le Chesnay, France