[1] Univ Hamburg, Univ Med Ctr Hamburg Eppendorf, Dept Pathol, Hamburg, Germany
[2] Altarum Inst, Ann Arbor, MI USA
[3] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Div Hematol & Oncol, Los Angeles, CA 90095 USA
[4] Univ Calif Los Angeles, Keck Sch Med, Dept Pathol, Los Angeles, CA 90095 USA
[5] Univ Calif Los Angeles, Keck Sch Med, Kenneth Norris Jr Comprehens Canc Ctr, Los Angeles, CA 90095 USA