[1] CHRU Brest, Dept Chirurg Orale, Brest, France
[2] CHRU Brest, Inst Cancerohematol, Serv Hematol Clin, Ave Foch, F-29609 Brest, France
[3] CHRU Brest, EA3878, Grp Etud Thromboses Bretagne Occidentale, GETBO, Brest, France
[4] Univ Paris XI, Inst Andre Lwoff, UMR S MD 1197, Villejuif, France
[5] France Intergrp Neoplasies Myeloproliferat FIM, Paris, France
[6] CHRU Brest, Serv Dermatol, Brest, France
[7] CHRU Brest, Lab Hematol, Brest, France
[8] Univ Brest, INSERM, UMR 1078, Brest, France