Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.|Department of Genetics, School of Medicine, Standford University, Standford, CA 94305-5120, USA.