[1] CHU Nantes, Dept Hematol, F-44035 Nantes 01, France
[2] Hosp Purpan, Dept Hematol, Toulouse, France
[3] Hosp Claude Huriez, Dept Hematol, Lille, France
[4] Hosp Michallon, Dept Hematol, Grenoble, France
[5] Hosp Brabois, Dept Hematol, Vandoeuvre Les Nancy, France
[6] Hosp Archet, Dept Internal Med, Nice, France
[7] Hosp Edouard Herriot, Dept Hematol, Lyon, France