[1] Univ Calif Davis, Med Ctr, Dept Surg, Div Surg Oncol, Sacramento, CA 95817 USA
[2] Univ Calif Davis, Med Ctr, Comprehens Canc Ctr, Sacramento, CA 95817 USA
[3] Univ Calif Davis, Sch Med, Div Hematol & Oncol, Ctr Oncol Hematol Outcomes Res & Training COHORT, Sacramento, CA 95817 USA
[4] Mayo Clin, Dept Oncol, Coll Med, Rochester, MN USA
[5] Univ Calif Davis, Med Ctr, Dept Internal Med, Div Hematol & Oncol, Sacramento, CA 95817 USA