[1] Georgetown Univ Hosp, Lombardi Comprehens Canc Ctr, Washington, DC 20007 USA
[2] Genentech Inc, San Francisco, CA 94080 USA
[3] Queen Mary Univ London, Barts Canc Inst, Ctr Haematooncol, London, England
[4] F Hoffmann La Roche Ltd, Welwyn Garden City, England
[5] Karolinska Inst, Div Hematol, Dept Med Huddinge, Stockholm, Sweden
[6] Erasmus MC Canc Inst, Rotterdam, Netherlands
[7] Hop St Louis, Paris, France
[8] F Hoffmann La Roche Ltd, Basel, Switzerland
[9] British Columbia Canc Agcy, Vancouver, BC V5Z 4E6, Canada
[10] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada