[1] Univ Calif Davis, Sch Med, Genome Ctr, 451 Hlth Sci Dr, Davis, CA 95616 USA
[2] Univ Calif Davis, Sch Med, Dept Biochem & Mol Med, 451 Hlth Sci Dr, Davis, CA 95616 USA
[3] Univ Oxford, Oxford Ctr Canc Gene Res, Wellcome Trust Ctr Human Genet, Oxford, England