[1] Univ New Mexico, Dept Biochem & Mol Biol, Sch Med, Albuquerque, NM 87131 USA
[2] Univ New Mexico, Ctr Hlth Sci, EPR Ctr, Albuquerque, NM 87131 USA
[3] Univ New Mexico, Ctr Hlth Sci, Toxicol Program, Albuquerque, NM 87131 USA
[4] Los Alamos Natl Lab, Div Biosci, Los Alamos, NM USA
[5] Univ Pittsburgh, Dept Pathol, Inst Canc, Pittsburgh, PA USA