[1] MIT, Koch Inst, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] Yale Univ, Sch Med, Yale Canc Biol Inst, New Haven, CT USA
[3] Dana Farber Canc Inst, Boston, MA 02115 USA
[4] Stanford Canc Inst, Stanford, CA USA
[5] Univ Rochester, Med Ctr, Rochester, NY 14642 USA
[6] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[7] Univ Minnesota, Med Ctr, Minneapolis, MN 55455 USA
[8] Univ Oxford, Wellcome Ctr Human Genet, Oxford, England
[9] Yale Canc Ctr, New Haven, CT USA