| Affiliation: | Current affiliations: University Medical Center Utrecht (A.M. Leufkens, P.D.S., F.P.V.), Utrecht, the Netherlands, Baylor University Medical Center (D.C.D., E.O., B.C.), Dallas, Texas, USA, Kansas City Veterans Administration Medical Center (A.R., V.S.), Kansas City, Missouri, USA, Bayside Endoscopy Center (P.A.A.), Providence, Rhode Island, USA, Cliniques Universitaires Saint-Luc (K.A., P.H.D., O.D.), Université Catholique de Louvain, Brussels, Belgium, Dartmouth-Hitchcock Medical Center (R.I.R.), Lebanon, New Hampshire, USA, Istituto Clinico Humanitas (A.R., G.R.), Milan, Italy, Johns Hopkins Hospital (P.I.O., A.N.K., A.M. Lennon), Baltimore, Maryland, USA, St. Mark's Hospital (A.I., J.E., B.P.S.), London, United Kingdom |
