[1] Univ Texas, SW Med Ctr, Dept Pathol, Dallas, TX 75390 USA
[2] Univ Sevilla, Dept Genet, Seville 41013, Spain
[3] NIDDK, Mol Biol Lab, NIH, Bethesda, MD 20892 USA
[4] Stanford Univ, Dept Biol Sci, Stanford, CA 94305 USA
[5] Oregon State Univ, Dept Environm & Mol Toxicol, Corvallis, OR 97331 USA
[6] Univ Sussex, Genome Damage & Stabil Ctr, Brighton BN1 9RQ, E Sussex, England
[7] Natl Univ Ireland Univ Coll Galway, Dept Biochem, Galway, Ireland