Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu|Department of Genome Sciences and Department of Medicine, University of Washington, Seattle, Washington, DC 98195, USA. sjn@u.washington.edu