Affiliation: | Current affiliations: Division of Gastroenterology (A.C., M.L.B., M.A., N.M.S., S.R.P., W.P.P.), University of Missouri School of Medicine, Columbia, Missouri, Department of Gastroenterology (M.O.O.), Mayo Clinic, Jacksonville, Florida, Department of Gastroenterology (M.R.M., P.K.R.), Ochsner Clinic Foundation, New Orleans, Louisiana, Lovelace Respiratory Research Institute (P.K.R.), Albuquerque, New Mexico, USA |