1Human Genetics Center, The University of Texas School of Public Health, Houston, TX 77025, USA 2Departments of Biomedical Informatics and Psychiatry and Vanderbilt-Ingram Cancer Center (VICC), Vanderbilt University Medical Center, Nashville, TN 37232, USA 3Department of Genetics, The University of Georgia, Life Sciences Building, Athens, GA 30602, USA 4Human Genome Sequencing Center, Baylor Co...