[1] Univ Louisville, Hlth Sci Ctr, Dept Pharmacol & Toxicol, Louisville, KY 40292 USA
[2] Univ Louisville, Hlth Sci Ctr, James Graham Brown Canc Ctr, Louisville, KY 40292 USA
[3] Univ Louisville, Dept Med, Louisville, KY 40292 USA
[4] Vet Adm, Louisville, KY USA