[1] Univ N Carolina, Sch Med, Dept Biochem & Biophys, Chapel Hill, NC 27599 USA
[2] Univ N Carolina, Sch Med, Dept Pathol & Lab Med, Chapel Hill, NC 27599 USA
[3] Univ N Carolina, Sch Med, Lineberger Comprehens Canc Ctr, Chapel Hill, NC 27599 USA
[4] Univ N Carolina, Sch Med, Ctr Environm Hlth & Susceptibil, Chapel Hill, NC 27599 USA
[5] N Carolina State Univ, Dept Environm & Mol Toxicol, Cell Signaling & Canc Grp, Raleigh, NC 27695 USA