University of North Carolina (UNC) at Chapel Hill - Department of Biostatistics, Texas Biomedical Research Institute, Texas Biomedical Research Institute, The University of Western Australia, Missouri Breaks Industries Research Inc., University of North Carolina (UNC) at Chapel Hill - Renaissance Computing Institute, Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, University of Groningen - Department of Genetics, University of North Carolina (UNC) at Chapel Hill - Department of Biostatistics and University of North Carolina (UNC) at Chapel Hill - Department of Epidemiology