Ulf Klein^1*, Marie Lia^1*, Qiong Shen^1*, Paula M Smith^1*, Hongyan Tang^1*, Tongwei Mo^1*, Marta Crespo^1*, Rachael Siegel^1*, Govind Bhagat^2* and Riccardo Dalla-Favera³

¹Institute for Cancer Genetics and Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY
²Institute for Cancer Genetics, Department of Pathology and Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY
³Institute for Cancer Genetics, Department of Pathology and Genetics & Development and Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY

Davide Bagnara^1*, Matthew Kaufman^2*, Xiao J. Yan, MD, PhD¹, Kanti Rai^3* and Nicholas Chiorazzi, MD⁴

¹The Feinstein Institute for Medical Research, Manhasset, NY
²Long Island Jewish Medical Center, New Hyde Park, NY
³OP Svc-Hematology/Oncology, Long Island Jewish Medical Center, New Hyde Park, NY
⁴Experimental Immunology, The Feinstein Institute for Medical Research - NSLIJHS, Manhasset, NY

Nina Reinart^1*, Malgorzata Ciesla^1*, Cornelia Rudolph, MD^2*, Astrid Stein, MD^3*, Guenter Krause, PhD^1*, Brigitte Schlegelberger, MD², Michael Hallek, MD^1* and Guenter Fingerle-Rowson, MD, PhD^1*

¹Dpt. of Internal Medicine I, University Hospital Cologne, Cologne, Germany
²Inst. of Cell & Molecular Pathology, Hannover Medical School, Hannover, Germany
³Dpt. of Pathology, University Hospital Cologne, Cologne, Germany

Thomas Enzler, MD, PhD^1*, Weizhou Zhang, PhD^2*, Arnon P. Kater, MD, PhD^3*, George F. Widhopf II, PhD^1*, Carlo M. Croce, MD⁴, Michael Karin, PhD^5* and Thomas J. Kipps, MD, PhD⁶

¹Moores Cancer Center, University of California San Diego and Academic Medical Center Amsterdam, La Jolla, Netherlands
²Laboratory of Gene Regulation and Signal Transduction, School of Medicine, University of California San Diego
³Moores Cancer Center, University of California San Diego and Academic Medical Center Amsterdam, La Jolla, CA
⁴The Ohio State University Comprehensive Cancer Center, Columbus, OH
⁵Laboratory of Gene Regulation and Signal Transduction, School of Medicine, University of California San Diego, La Jolla
⁶Moores UCSD Cancer Center, CLL Research Consortium, La Jolla, CA

Yoshikane Kikushige, MD^1*, Toshihiro Miyamoto, MD, PhD², Tadafumi Iino, MD^3*, Fumihiko Ishikawa, MD, PhD^4* and Koichi Akashi, MD, PhD⁵

¹Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
²Ctr. for Cellular & Mole. Med., Kyushu University Hospital, Fukuoka, Japan
³Dana-Farber Cancer Institute, Cancer Immunology and AIDS, Boston, MA
⁴Rsrch. Unit for Human Disease Models, RIKEN Rsrch. Ctr. for Allergy & Immunology, Yokohama, Japan
⁵Dana-Farber Cancer Inst., Boston, MA

Alan G. Ramsay, PhD¹, Gullu Gorgun, PhD², Tobias A.W. Holderried^2*, David Zahrieh, MS^2*, Fenglong Liu, PhD^2*, John Quackenbush, PhD^2*, Carlo M. Croce, MD³ and John G. Gribben, MD, DSc^1*

¹Ctr. for Medical Oncology, Institute of Cancer, Barts & London Sch. of Med., London, United Kingdom
²Dana-Farber Cancer Institute, Boston, MA
³The Ohio State University Comprehensive Cancer Center, Columbus, OH