Claus Meyer, PhD^1*, Eric Kowarz, PhD^1*, Julia Hofmann^1*, Thomas Fischer^1*, Sara El Ashkar^1*, Andrea Teigler-Schlegel, PhD^2*, Brian Balgobind, MD^3*, Thomas Burmeister, PhD^4*, Etienne De Braekeleer^5*, Eric Delabesse, PhD^6*, Aline Renneville, MD^7*, Theo Dingermann, PhD^1*, Thomas Klingebiel, MD⁸ and Rolf Marschalek, PhD^1*

¹Diagnostic Center of Acute Leukemia (DCAL), Institute of Pharmaceutical Biology, Goethe-University of Frankfurt, Frankfurt/M, Germany
²Department of Pediatric Hematology and Oncology, Children's University Hospital, Giessen, Giessen, Germany
³Pediatric Hematology/Oncology, Erasmus MC, Sophia Children's Hospital, Rotterdam, Rotterdam, Netherlands
⁴Medizinische Klinik III, Campus Benjamin Franklin, Charité Universitätsmedizin Berlin, Berlin, Germany
⁵Laboratoire d'Histologie, Embryologie et Cytogénétique, Faculté de Médecine et des Sciences de la Santé, Université de Bretagne Occidentale, Brest, France
⁶Laboratoire d'Hématologie, CHU Purpan, Toulouse, France
⁷Laboratoire d'Hématologie, Centre de Biologie-Pathologie, CHRU de Lille, Lille, France
⁸Pediatric Hematology and Oncology, Goethe-University of Frankfurt, Frankfurt/M, Germany

Youwen Yang, Dr^*, David J Wrench, Dr^*, T. Andrew Lister and Jude Fitzgibbon, Dr^*

Centre for Medical Oncology, Barts and the London School of Medicine and Dentistry, London, United Kingdom

Karen E Deffenbacher, Ph.D.^1*, George Wright, Ph.D.^2*, Javeed Iqbal, Ph.D.^3*, Huimin Geng, M.S.^1*, Derville O'Shea, M.D.^4*, T. Andrew Lister⁴, Jude Fitzgibbon⁴, Kai Fu, MD, PhD⁵, Zhongfeng Liu, M.D.^1*, Dennis Weisenburger^6*, Timothy C. Greiner, MS, MD⁷, Randy D. Gascoyne, MD⁸, Andreas Rosenwald^9*, Elias Campo, MD, PhD^10*, Lisa M. Rimsza⁹, Jan Delabie^11*, Elaine S Jaffe, M.D.^12*, Louis M. Staudt, MD., Ph.D.² and Wing C. Chan³

¹Pathology/Microbiology, University of Nebraska Medical Center, Omaha, NE
²Metabolism Branch, Center for Cancer Research, National Cancer Institute, National Health Institutes, Bethesda, MD
³Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE
⁴Centre for Medical Oncology, Barts and the London School of Medicine and Dentistry, London, United Kingdom
⁵Dept. of Pathology & Microbiology, University of Nebraska Med. Ctr., Omaha, NE
⁶Univ. of Nebraska Medical Center, Omaha, NE
⁷Pathology & Microbiology, Univ. of NE Med. Ctr., Omaha, NE
⁸British Columbia Cancer Agency, Vancouver, BC, Canada
⁹LLMPP
¹⁰Pathology, Hospital Clínic, Barcelona, Spain
¹¹Pathology, Norwegian Radium Hospital, Oslo, Norway
¹²Center for Cancer Research, National Cancer Institute, Bethesda, MD

Tomomi Sakai^1*, Momoko Nishikori¹, Masaharu Tashima^1*, Ryo Yamamoto^1*, Toshio Kitawaki^1*, Akifumi Takaori-Kondo^1*, Shinobu Tsuzuki² and Takashi Uchiyama¹

¹Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
²Dept. of Molecular Med., Aichi Cancer Ctr., Nagoya, Japan

Alexander L Kovalchuk^1*, Rafael Casellas^2*, Wendy duBois^3*, Helena Tolarova^2*, Petr F Hausner^4*, Elizabeth Mushinski^3*, Patrick J Nelson^3*, Herbert Morse III¹ and Michael Potter^3*

¹Laboratory of Immunopathology, National Institutes of Health, NIAID, Rockville, MD
²National Institutes of Health, Genomic Integrity and Immunity, NIAMS, Bethesda, MD
³Laboratory of Cancer Biology and Genetics, National Institutes of Health, NCI, Bethesda, MD
⁴Greenebaum Cancer Cente, University of Maryland, Baltimore, MD

J. Kimble Frazer, MD, PhD^1*, Nathan Meeker, MD^2*, Diana F. Bradley^1*, Lynnie Rudner^3*, Sherrie L. Perkins, MD, PhD⁴ and Nikolaus Trede, MD, PhD^1*

¹Pediatrics and Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT
²Hematology and Bone Marrow Transplant, University of Utah, Salt Lake City, UT
³Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT
⁴Pathology, University of Utah and ARUP Institute, Salt Lake City, UT

Charles G Mullighan, MBBS(Hons), MSc, MD¹, Letha A. Phillips, BS^1*, Lesli A. Kiedrowski^1*, Jing Ma, PhD^2*, Richard T. Williams, MD, PhD³, Sheila A. Shurtleff^1*, Charles J. Sherr, MD, PhD⁴ and James R. Downing, MD^1*

¹Pathology, St. Jude Children's Research Hospital, Memphis, TN
²Hartwell Center, St. Jude Children's Research Hospital, Memphis, TN
³Oncology, St. Jude Children's Research Hospital, Memphis, TN
⁴Howard Hughes Medical Institute and Department of Genetics and Tumor Cell Biology, St. Jude Children's Research Hospital, Memphis, TN

Markus Pisecker^1*, Lisa Arzt^1*, Margit König^1*, Reinhard Ullmann^2* and Sabine Strehl^1*

¹CCRI, Children's Cancer Research Institute, Vienna, Austria
²Max Planck Institute for Molecular Genetics, Berlin, Germany

Julie Howard-Reeves, BSc^1*, Mikel Valgañón, PhD^1*, Helen Mazzullo, BSc^1*, Colin Grace, PhD^1*, Lynda Campbell, MBBS, FRCPA^2* and Elisabeth Nacheva, MD, PhD, FRCPath³

¹Academic Haematology, Room 1-434, Royal Free and UCL Med School, London, United Kingdom
²Cytogenetics, St Vincent's Hospital, Melbourne, Australia
³Academic Hematology, Royal Free & Univ. College London, London, ARRAY(0xc565528)

Jungwon Huh, MD^1*, Ramon V. Tiu, MD, BS¹, Ying Jiang, MD, PhD^1*, Lukasz P Gondek, MD, PhD^1*, Christine O'Keefe, PhD^1*, Karl S. Theil, MD² and Jaroslaw P Maciejewski, MD, PhD¹

¹Hematologic Oncology and Blood Disorders/Experimental Hematology and Hematopoiesis Section, Cleveland Clinic Taussig Cancer Institute, Cleveland, OH
²Department of Clinical Pathology, Cleveland Clinic, Cleveland, OH

Lukasz P Gondek, MD^1*, Hemant Ishwaran, PhD^2*, Andrew Jeffrey Dunbar, BS^3*, Christine L. O'Keefe, PhD⁴, Michael A McDevitt, MD, PhD⁵, Denise Batista, PhD^6*, Mikkael A. Sekeres, MD, MS⁷, Ghulam J Mufti, MD, PhD⁸ and Jaroslaw Maciejewski, MD, PhD⁹

¹Experimental Hematology and Hematopoiesis Section/Internal Medicine, Cleveland Clinic, Cleveland, OH
²Department of Quantitative Sciences, Cleveland Clinic, Cleveland, OH
³Cleveland Clinic, Cleveland, OH
⁴Exp. Hem. & Hematopoiesis Sect., Cleveland Clinic, Cleveland, OH
⁵Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
⁶Department of Pathology, Johns Hopkins University, Baltimore, MD
⁷Hematologic Oncology and Blood Disorders R35, Cleveland Clinic, Cleveland, OH
⁸Department of Haematological Medicine, Kings College London, London, United Kingdom
⁹Experimental Hematology and Hematopoiesis Section, Taussig Cancer Center, Cleveland Clinic, Cleveland, OH

Vladimir Grubor, PhD¹, Alex Krasnitz, PhD^1*, Jennifer E. Troge^1*, Jennifer L. Meth^1*, B. Lakshmi, PhD^1*, Jude T. Kendall^1*, Boris Yamrom, PhD^1*, Garrick Alex^1*, Deepa Pai^1*, Nicholas Navin^1*, Lisa A. Hufnagel^1*, Yoon-ha Lee, PhD^1*, Kerry Cook^1*, Steven L. Allen, MD², Kanti R. Rai, MD^3*, Rajendra Damle, PhD⁴, Carlo Calissano, PhD^5*, Nicholas Chiorazzi, MD^6*, Michael H Wigler, PhD^1* and Diane Esposito, PhD¹

¹Cold Spring Harbor Lab., Cold Spring Harbor, NY
²Medicine, North Shore University Hospital - LIJ, Lake Success, NY
³North Shore Long Island Jewish Health Systems, New Hyde Park, NY
⁴North Shore - LIJ Research Inst., Manhasset, NY
⁵The Feinstein Institute for Medical Research, North Shore - LIJ Health System, Manhasset, NY
⁶Feinstein Institute for Medical Research, North Shore–LIJ Health System, New York, NY