[1] CNRS, UMR 5099, Inst Explorat Fonct Genomes, IFR 109,LBME, F-31062 Toulouse, France
[2] Univ Toulouse 3, F-31062 Toulouse, France
[3] INSERM, Inst Europeen Chim & Biol, U386, Pessac, France
[4] Univ Paris 11, INSERM, IGR, U790, Villejuif, France
[5] Hop St Louis, Serv Oncol Pediat, Paris, France
[6] Hop Bicetre, Ctr Reference Malad Genet Erythrocyte & Erythropo, Le Kremlin Bicetre, France