University of Virginia, University of Chicago, Pennsylvania State University, Pennsylvania State University, University of North Carolina (UNC) at Chapel Hill, University of North Carolina (UNC) at Chapel Hill, University of North Carolina (UNC) at Chapel Hill, University of Mississippi - University of Mississippi Medical Center, University of Colorado, Aurora - Anschutz Medical Campus, University of Colorado, Aurora - Anschutz Medical Campus, Stanford University - Department of Pathology, University of Washington, Broad Institute of MIT and Harvard, Broad Institute of MIT and Harvard, New York Genome Center, University of Colorado, Aurora - Anschutz Medical Campus, University of California, San Francisco (UCSF), University of California, Los Angeles (UCLA), University of California, Los Angeles (UCLA), University of California, Los Angeles (UCLA), University of Virginia - Center for Public Health Genomics, University of Vermont - Department of Pathology and Laboratory Medicine, University of Vermont, University of Vermont - Department of Pathology & Laboratory Medicine, Duke University, University of Washington - Department of Biostatistics, Government of the United States of America - National Heart, Lung and Blood Institute, Northwestern University, Harvard University, Pennsylvania State University, University of North Carolina (UNC) at Chapel Hill, University of North Carolina (UNC) at Chapel Hill - Department of Biostatistics, Independent, Loyola University of Chicago, University of Chicago, Independent and University of Virginia - Center for Public Health Genomics