[1] Med Univ S Carolina, Ctr Cell Death Injury & Regenerat, Dept Pharmaceut & Biomed Sci, Charleston, SC 29425 USA
[2] Med Univ S Carolina, Dept Biochem & Mol Biol, Charleston, SC 29425 USA
[3] Eunice Kennedy Shriver Natl Inst Child Hlth & Hum, Program Struct Biol, NIH, Bethesda, MD USA
[4] Johns Hopkins Univ, Bloomberg Sch Publ Hlth, W Harry Feinstein Dept Mol Microbiol & Immunol, Baltimore, MD USA