Akiko Nagamachi^1*, Hiroya Asou, MD^1*, Hirotaka Matsui, MD^1*, Yuko Ozaki^1*, Daisuke Aki, PhD^1*, Kazuko Miyazaki^2*, Norimasa Yamasaki^2*, Masaki Miyazaki, MD^3*, Linda Wolff, PhD⁴, Richard Koller^4*, Hideaki Oda, MD^5*, Toshiya Inaba, MD¹ and Hiroaki Honda, MD^2*

¹Department of Molecular Oncology, Research Institute for Radiation Biology & Medicine, Hiroshima University, Hiroshima, Japan
²Department of Developmental Biology, Research Institute for Radiation Biology & Medicine, Hiroshima University, Hiroshima, Japan
³Department of Immunology, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
⁴NCI/NIH, Bethesda, MD
⁵Department of Pathology, Tokyo Women's Medical University, Tokyo, Japan

Itsaso Hormaeche, PhD^1*, Kim L. Rice, Ph.D.^1*, Arthur Zelent, PhD², Melanie J. McConnell, Ph.D.³ and Jonathan D. Licht, MD¹

¹Hematology/Oncology, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL
²Section of Haemato-Oncology, Institute of Cancer Research, Sutton, England
³Cancer Cell and Molecular Biology, Malaghan Institute of Medical Research, Wellington South, New Zealand

Silvia Buonamici¹, Thomas Trimarchi^1*, Apostolos Klinakis^2*, Linsey Reavie^1*, Brenton G. Mar^3*, Eric Gehrie^4*, Emma L. Kuan^4*, Gwendalyn J. Randolph^4*, Jonathan Bromberg^4* and Iannis Aifantis^1*

¹Pathology, New York University School of Medicine, New York, NY
²Genetics & Development, Columbia University, New York, NY
³Pediatrics, Columbia University Morgan Stanley Children's Hospital of New York Presbyterian, New York, NY
⁴Gene and Cell Medicine, Mount Sinai School of Medicine, New York, NY

Giovanni Roti, MD^1*, Kenneth N. Ross, PhD^2*, Cristina Mecucci, MD, PhD³, Adolfo A. Ferrando, MD, PhD⁴, Jon C. Aster, MD, PhD⁵ and Kimberly Stegmaier, MD⁶

¹Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
²Cancer Program, The Broad Institute of Harvard University and Massachusetts Institute of Technology, Cambridge, MA
³Hematology, Cytogenetics and Molecular Genetics, Perugia, Italy
⁴Institute for Cancer Genetics, Columbia University, New York, NY
⁵Department of Pathology, Brigham and Women's Hospital, Boston, MA
⁶Pediatric Oncology, Dana-Farber Cancer Institute and The Broad Institute of Harvard University and Massachusetts Institute of Technology, Boston, MA

Soledad Negrotto^1*, Zhenbo Hu^1*, Kevin A Link^2*, Hien Duong^1*, Andrew E. Schade, MD, PhD³, Jaroslaw P. Maciejewski, MD, PhD¹, James C. Mulloy, PhD² and Yogenthiran Saunthararajah¹

¹Experimental Hematology and Hematopoiesis Section, Taussig Cancer Center, Cleveland Clinic, Cleveland, OH
²Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
³Clinical Pathology, Cleveland Clinic, Cleveland, OH

Haytham Khoury, MD¹, Fernando Suarez-Saiz^1*, Samantha Wu^2*, Serban San-Marina^1* and Mark Minden¹

¹Princess Margaret Hospital, Toronto, ON, Canada
²Medical Biophysics, University of Toronto, Toronto, ON, Canada

Alida C Weidenaar^1*, Arja ter Elst^2*, Henk-Marijn de Jonge^1*, Tiny Meeuwsen-de Boer^1*, Willem A Kamps² and Evelina S De Bont¹

¹Pediatric Oncology/Hematology, University Medical Center Groningen, Groningen, Netherlands
²Division of Pediatric Oncology/Hematology, Department of Pediatrics,, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen Groningen, Groningen, Netherlands

Daniela Cilloni, MD, PhD¹, Ilaria Defilippi, PhD^2*, Sonia Carturan, PhD^2*, Chiara Maffč, PhD^1*, Marisa Pautasso, MD^3*, Ilaria Iacobucci^4*, Giovanni Martinelli, MD^5*, Emanuela Messa, MD^6*, Antonia Rotolo^1*, Enrico Bracco, PhD^2* and Giuseppe Saglio, MD³

¹Dept. Of Clinical and Biological Sciences, University of Turin, Turin, Italy
²Department of Clinical and Biological Sciences, University of Turin, Orbassano,Turin, Italy
³Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
⁴Department of Hematology and Oncological Sciences "L. e A. Serągnoli", University of Bologna, Bologna, Italy
⁵Department of Hematology and Oncological Sciences, University of Bologna, Bologna, Italy
⁶Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy