Digestive Diseases Branch, National Institute of Diabetes Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland (R.T.J.); Office of the Director, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland (J.F.B.); Division of Neuroscience, Oregon Primate Research Center, Beaverton, Oregon (E.R.S.); and Division of Medicine and Pharmacology, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), Chicago, Illinois (R.V.B.)

Digestive Diseases Branch, National Institute of Diabetes Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland (R.T.J.); Office of the Director, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland (J.F.B.); Division of Neuroscience, Oregon Primate Research Center, Beaverton, Oregon (E.R.S.); and Division of Medicine and Pharmacology, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), Chicago, Illinois (R.V.B.)

Digestive Diseases Branch, National Institute of Diabetes Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland (R.T.J.); Office of the Director, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland (J.F.B.); Division of Neuroscience, Oregon Primate Research Center, Beaverton, Oregon (E.R.S.); and Division of Medicine and Pharmacology, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), Chicago, Illinois (R.V.B.)

Digestive Diseases Branch, National Institute of Diabetes Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland (R.T.J.); Office of the Director, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland (J.F.B.); Division of Neuroscience, Oregon Primate Research Center, Beaverton, Oregon (E.R.S.); and Division of Medicine and Pharmacology, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), Chicago, Illinois (R.V.B.)