Affiliation: | 1. Department of Gastroenterology, Cleveland Clinic, Cleveland, OH, USA;2. Department of Family Medicine, MetroHealth Medical Center, Cleveland, OH, USA;3. Department of Public Health, Johns Hopkins University, Baltimore, MD, USA;4. Department of Gastroenterology, MetroHealth Medical Center, Cleveland, OH, USA;5. Department of Pathology, MetroHealth Medical Center, Cleveland, OH, USA;6. Department of Pathology, Cleveland Clinic, Cleveland, OH, USA;7. Department of Pathobiology, Cleveland Clinic, Cleveland, OH, USA |