Ameera Alsadeq, PhD^1*, Henning Fedders, PhD^1*, Steffi Spielberg^1*, Christian Vokuhl, MD^2*, Gunnar Cario, MD^1*, Martin Schrappe, MD, PhD¹ and Denis Martin Schewe, MD^1*

¹Department of General Pediatrics, ALL-BFM Study Group, Christian-Albrechts University Kiel and University Medical Center Schleswig-Holstein, Kiel, Germany
²Kiel Paediatric Tumor Registry, Department of Paediatric Pathology, University Medical Center Schleswig-Holstein, Kiel, Germany

Xiao Gang, PhD^1*, Huimin Geng, PhD^2*, Lai N Chan, PhD^1*, Zhengshan Chen, MD PhD^1*, Xiaoyan Jiang, MD PhD³ and Markus Muschen, MD PhD¹

¹Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
²Laboratory Medicine, University of California, San Francisco, San Francisco, CA
³Terry Fox Laboratory, British Columbia Cancer Agency, Vancouver, BC, Canada

Salih Demir, MSc^1,2*, Galina Selivanova, PhD^3*, Eugen Tausch, MD^4*, Lisa Wiesmüller, PhD^5*, Stephan Stilgenbauer, MD PhD⁶, Geertruy Te Kronnie, PhD^7*, Klaus-Michael Debatin, MD PhD¹ and Lüder Hinrich Meyer, MD^1*

¹Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
²International Graduate School in Molecular Medicine, Ulm University, Ulm, Germany
³Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden
⁴Department of Internal Medicine III, Ulm University Medical Center, Ulm, Germany
⁵Department of Obstetrics and Gynaecology, Ulm University Medical Center, Ulm, Germany
⁶University of Ulm, Ulm, Germany
⁷Department of Women’s and Children’s Health, University of Padova, Padova, Italy

Liat Goldberg, PhD^*, Rachel M Pierce^*, Masahiro Onozawa, MD, PhD., Robert L Walker^*, Yeulin J Zhu^*, Paul S Meltzer, MD, PhD^* and Peter D. Aplan, MD

NCI/CCR/Genetics branch, National Institutes of Health, Bethesda, MD

Blanca Scheijen, PhD^1*, Esther Tijchon^1*, Dorette van Ingen Schenau^1*, Rene Marke^1*, Liesbeth van Emst^1*, Laurens T Van Der Meer, PhD^1*, Roland P Kuiper, PhD², Judith M. Boer, PhD³, Rob Pieters, MD, PhD⁴, Peter M Hoogerbrugge, MD, PhD⁴, Monique L. Den Boer, PhD³ and Frank N van Leeuwen, PhD¹

¹Laboratory of Pediatric Oncology, Radboud university medical center, Nijmegen, Netherlands
²Department of Human Genetics, Radboud university medical center, Nijmegen, Netherlands
³Department of Pediatric Oncology/Hematology, Erasmus MC - Sophia Children's Hospital, Rotterdam, Netherlands
⁴Princess Maxima Center for Pediatric Oncology, Utrecht, Netherlands

Jolanda Sarno^1*, Kara L. Davis, DO², Angela Maria Savino, PhD^1*, Cristina Bugarin^1*, Stefania Pinto^1*, Chiara Buracchi, PhD^1*, Astraea Jager, BS^3*, Chiara Palmi, PhD^1*, Ruth C Barber, PhD^4*, Daniela Silvestri^5*, Gianni Cazzaniga, PhD¹, Martin J.S. Dyer, Prof.⁶, Andrea Biondi, Prof, MD¹, Garry P. Nolan, Prof, PhD^3* and Giuseppe Gaipa, PhD¹

¹Department of Pediatrics, Tettamanti Research Center, University of Milano-Bicocca, Fondazione MBBM/San Gerardo Hospital, Monza, Italy
²Pediatrics, Stanford University, Palo Alto, CA
³Department of Microbiology and Immunology, Baxter Laboratory for Stem Cell Biology, Stanford University School of Medicine, Palo Alto, CA
⁴Leicester Drug Discovery & Diagnostics Centre, University of Leicester, Leicester, United Kingdom
⁵Biostatistics and Clinic Epidemiology Center, University of Milano-Bicocca, Monza, Italy
⁶Ernest and Helen Scott Haematological Research Institute, University of Leicester, Leicester, United Kingdom