| Affiliation: | Current affiliations: Department of Gastroenterology and Hepatology, Mayo Clinic (M.B.W., H.W., A. Buchner, J.E.C.), Jacksonville, Florida, Veterans Administration Medical Center and Department of Gastroenterology and Hepatology, University of Kansas School of Medicine (P.S., A. Bansal, A.R.), Kansas City, Missouri, Department of Gastroenterology and Hepatology, Columbia University (C.L., J.A.), New York, New York, Department of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Nantes (E.C.), Nantes, France, Department of Gastroenterology and Hepatology, Klinikum rechts der Isar, Technical University of Munich (M.B., A.M.), Munich, Germany |
