[1] Univ Henri Poincare 1, CHU Nancy, Natl Registry Childhood Solid Tumors, Fac Med, F-54505 Vandoeuvre Les Nancy, France
[2] CHU Nancy, Childhood Canc Registry Lorraine, Nancy, France
[3] Childhood Canc Registry Rhone Alpes, St Etienne, France
[4] Childhood Canc Registry Bretagne, Rennes, France
[5] Childhood Canc Registry Auvergne Limousin, Clermont Ferrand, France
[6] Natl Registry Childhood Haematol Malignancies, Villejuif, France
[7] Childhood Canc Registry Val de Marne, Villejuif, France
[8] INSERM, UMR S754, Villejuif, France
[9] Univ Paris Sud, Villejuif, France