[1] Univ St Antoine, Ctr Hosp, Dept Hematol, Paris, France
[2] Univ St Antoine, Ctr Hosp, Dept Genet, Paris, France
[3] Hosp St Louis, Nucl Med Serv, Paris, France
[4] Hop Hotel Dieu, Hematol Lab, F-75181 Paris, France
[5] Hop Necker Enfants Malad, Hematol Serv, Paris, France
[6] Univ Reg Lille, Ctr Hosp, Serv Malad Sang, Lille, France