[1] Univ Washington, Fred Hutchinson Canc Res Ctr, Seattle, WA 98195 USA
[2] Univ N Carolina, Lineberger Comprehens Canc Ctr, Chapel Hill, NC 27599 USA
[3] City Hope Natl Med Ctr, Duarte, CA 91010 USA
[4] Hackensack Univ, Med Ctr, John Theurer Canc Ctr, Hackensack, NJ USA
[5] Genentech Inc, San Francisco, CA 94080 USA
[6] F Hoffmann La Roche & Co Ltd, CH-4002 Basel, Switzerland
[7] Mem Sloan Kettering Canc Ctr, Dept Med, Lymphoma Serv, New York, NY 10021 USA