1 Department of Hematology, centre hospitalier universitaire de Toulouse, IUCT-O, 1, avenue Irène-Joliot-Curie, 31059 Toulouse, France; Université Paul Sabatier Toulouse III, Toulouse, France. Electronic address: martin.gauthier@hotmail.fr.
2 Department of Hematology, centre hospitalier universitaire de Toulouse, IUCT-O, 1, avenue Irène-Joliot-Curie, 31059 Toulouse, France; Université Paul Sabatier Toulouse III, Toulouse, France.
3 Department of pathology, cancer university institute of Toulouse, Oncopole, Toulouse, France.
4 Department of rheumatology, University hospital of Toulouse, Toulouse, France.