[1] Hop St Louis, Inst Hematol, GELA, F-75475 Paris 10, France
[2] Hop Hotel Dieu, Serv Anat Pathol, Paris, France
[3] Hop La Pitie Salpetriere, Hematol Serv, Paris, France
[4] Hop Necker Enfants Malad, Hematol Serv, Paris, France
[5] Hop Henri Mondor, Dept Informat Hosp, F-94010 Creteil, France
[6] Hop Henri Mondor, Hematol Serv, F-94010 Creteil, France
[7] CHU Lille, F-59037 Lille, France
[8] CHU Brabois, Serv Hematol & Med Interne, Vandoeuvre Les Nancy, France
[9] Ctr Hosp Lyon Sud, F-69310 Pierre Benite, France
[10] Ctr Henri Becquerel, F-76038 Rouen, France
[11] Hop Beaujon, Hematol Serv, Clichy, France
[12] CHu Liege, Domaine Univ Sart Tilman, Liege, Belgium