[1] Queen Mary Univ London, St Bartholomews Hosp, Barts Canc Inst, Expt Canc Med Ctr, London, England
[2] Pfizer, New York, NY USA
[3] Pfizer, Porto Salvo, Portugal
[4] Univ Washington, Seattle, WA 98195 USA
[5] Fred Hutchinson Canc Ctr, Seattle, WA USA