[1] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, David Geffen Sch Med, Dept Surg, Los Angeles, CA 90095 USA
[3] Univ Calif Los Angeles, David Geffen Sch Med, Jonsson Comprehens Canc Ctr, Lung Canc Res Program, Los Angeles, CA 90095 USA
[4] City Hope Natl Med Ctr, Beckman Res Inst, Dept Med Oncol & Therapeut Res, Duarte, CA 91010 USA
[5] Vet Affairs Greater Los Angeles Healthcare Syst, Los Angeles, CA USA
[6] Univ Calif Los Angeles, David Geffen Sch Med, Dept Pathol, Los Angeles, CA 90095 USA