[1] Dana Farber Harvard Canc Ctr, Ludwig Ctr, Boston, MA 02115 USA
[2] Harvard Univ, Sch Med, Boston, MA USA
[3] Brigham & Womens Hosp, Boston, MA 02115 USA
[4] Massachusetts Gen Hosp, Boston, MA 02114 USA
[5] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[6] Pfizer Global Res & Dev, La Jolla, CA USA
[7] Dana Farber Canc Inst, Early Drug Dev Ctr, Boston, MA 02115 USA