Clonal heterogeneity and rates of specific chromosome gains are risk predictors in childhood high‐hyperdiploid B‐cell acute lymphoblastic leukemia oleh Mireia Ramos‐Muntada, Juan L. Trincado, Joan Blanco, Clara Bueno, Virginia C. Rodríguez‐Cortez, Alex Bataller, Belén López‐Millán, Claire Schwab, Margarita Ortega, Pablo Velasco, Maria L. Blanco, Josep Nomdedeu, Manuel Ramírez‐Orellana, Alfredo Minguela, Jose L. Fuster, Esther Cuatrecasas, Mireia Camós, Paola Ballerini, Gabriele Escherich, Judith Boer, Monique DenBoer, Jesús M. Hernández‐Rivas, Maria J. Calasanz, Giovanni Cazzaniga, Christine J. Harrison, Pablo Menéndez, Oscar Molina