[1] Univ Virginia, Ctr Publ Hlth Genom, Charlottesville, VA 22908 USA
[2] Univ Virginia, Dept Biochem & Mol Genet, Charlottesville, VA 22908 USA
[3] Univ Virginia, Dept Publ Hlth Sci, Charlottesville, VA 22908 USA
[4] Benaroya Res Inst, Diabet Res Program, Seattle, WA USA