[1] Univ Clermont 1, CHU Clermont Ferrand, UFR Med, Serv Cytogenet Med, Clermont Ferrand, France
[2] Univ Auvergne, EA 3846, Clermont Ferrand, France
[3] CHU Clermont Ferrand, Serv Hematol Clin, Clermont Ferrand, France
[4] Ctr Jean Perrin, Dept Radiotherapie, Clermont Ferrand, France
[5] Serv Hematol Biol, Paris, France
[6] Univ Paris 06, Hop Pitie Salpetriere, Paris, France
[7] Inst Pasteur, Montevideo, Uruguay
[8] CHU Clermont Ferrand, Serv Hematol Biol, Clermont Ferrand, France
[9] Ctr Jean Perrin, Serv Stat & Commun Med, Clermont Ferrand, France