Outcomes of paediatric patients with B-cell acute lymphocytic leukaemia with ABL-class fusion in the pre-tyrosine-kinase inhibitor era: a multicentre, retrospective, cohort study

Monique L. den Boer, Gunnar Cario, Anthony V. Moorman, Judith M. Boer, Hester A. de Groot‐Kruseman, Marta Fiocco, Gabriele Escherich, Toshihiko Imamura, Allen Eng Juh Yeoh, Rosemary Sutton, Luciano Dalla‐Pozza, Nobutaka Kiyokawa, Martin Schrappe, Kathryn G. Roberts, Charles G. Mullighan, Stephen P. Hunger, Ajay Vora, Andishe Attarbaschi, Markéta Žaliová, Sara Elitzur, Giovanni Cazzaniga, Andrea Biondi, Mignon L. Loh, Rob Pieters