[1] Univ Kentucky, Dept Internal Med, Div Med Oncol, Lexington, KY 40536 USA
[2] Univ Kentucky, Dept Pathol & Lab Med, Lexington, KY 40536 USA
[3] Univ Kentucky, Biostat & Bioinformat Shared Resource Facil, Markey Canc Ctr, Lexington, KY 40536 USA
[4] Univ Kentucky, Dept Mol & Cellular Biochem, Lexington, KY 40536 USA
[5] Univ Kentucky, Markey Canc Ctr, 203 Combs Bldg, Lexington, KY 40536 USA