| Institution: | 1. Gastroenterology, Duke University, Durham, NC, USA;2. Duke Clinical Research Institute, Durham, NC, USA;3. Section on Gastroenterology & Hepatology, Wake Forest University School of Medicine, Winston‐Salem, NC, USA;4. University of North Carolina, Chapel Hill, NC, USA;5. Gastroenterology, Brody School of Medicine, East Carolina University, Greenville, NC, USA;6. Gastroenterology, University of Michigan Medical Center, Ann Arbor, MI, USA;7. Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA |
