[1] Univ Tennessee, Hlth Sci Ctr, Dept Microbiol Immunol & Biochem, Memphis, TN 38112 USA
[2] Univ Tennessee, Hlth Sci Ctr, Reg Biocontainment Lab, Memphis, TN 38112 USA
[3] Univ Tennessee, Hlth Sci Ctr, Lab Anim Care Unit, Memphis, TN USA
[4] Univ Wisconsin, Sch Pharm, Pharmaceut Sci Div, 425 N Charter St, Madison, WI 53706 USA