Medical University of South Carolina - Department of Public Health Sciences, Medical University of South Carolina, University of Nebraska Medical Center- Department of Epidemiology, Emory University, Wayne State University, Rutgers, The State University of New Jersey, University of South Carolina, University of Utah - Huntsman Cancer Institute, University of Tennessee, Knoxville, University of South Carolina, Emory University, Indiana University Purdue University Indianapolis (IUPUI) - Indiana University School of Medicine, Stanford University - Department of Epidemiology and Population Health, Duke University School of Medicine - Department of Surgery, affiliation not provided to SSRN, University of Nebraska Medical Center- Department of Epidemiology and Emory University