[1] Univ Wisconsin, Dept Med, Sch Med & Publ Hlth, Madison, WI USA
[2] Dana Farber Canc Inst, Dept Biostat & Computat Biol, Boston, MA 02115 USA
[3] Fox Chase Canc Ctr, Philadelphia, PA 19111 USA
[4] BC Canc Agcy, Dept Pathol, Ctr Lymphoid Canc, Vancouver, BC, Canada
[5] Montefiore Med Ctr, Bronx, NY 10467 USA
[6] Stanford Univ, Div Oncol, Sch Med, Stanford, CA 94305 USA