| Affiliation: | 1. Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, 22 S. Greene Street, N3W156, Baltimore, MD 21201, USA;2. Department of Internal Medicine, Medical University of South Carolina, 96 Jonathan Lucas Street, Suite 803, Charleston, SC 29425, USA;1. School of Medicine and Dentistry, University of Aberdeen, Foresterhill, Aberdeen, United Kingdom;3. Department of Cardiothoracic Surgery, Aberdeen Royal Infirmary, Foresterhill, Aberdeen, United Kingdom;2. Cardiovascular and Thoracic Surgery Division, Department of Surgery, University College Hospital, Ibadan, Nigeria;1. Division of Gastroenterology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA;3. Department of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland, USA;7. Department of Pathology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA;2. Division of Gastroenterology & Hepatology, Stanford University School of Medicine, Stanford, California, USA;4. Department of Medicine, University of Chicago, Chicago, Illinois, USA;6. Department of Pathology, University of Chicago, Chicago, Illinois, USA;5. Division of Gastroenterology, University of California Los Angeles, Los Angeles, California, USA |
