1. Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
2. Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
3. Program in Cancer Biology, Vanderbilt University School of Medicine, Nashville, TN, USA
4. Center for Mucosal Inflammation and Cancer, Vanderbilt University Medical Center, Nashville, TN, USA
5. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
6. Medical Service, Veterans Affairs Tennessee Valley Healthcare System, Nashville, TN, USA