1. Obesity, Metabolism, and Nutrition Institute and Gastrointestinal Unit (I.J.H., N.S., L.M.K.), Massachusetts General Hospital, Boston, Massachusetts 02129
2. Department of Medicine (I.J.H., N.S., L.M.K.), Harvard Medical School, Boston, Massachusetts 02115
3. Departments of Molecular Physiology and Biophysics (A.M.V., K.L.J.E., R.D.C.), Nashville, Tennessee 37232
4. University of Cambridge Metabolic Research Laboratories (K.L.B., J.M.K., I.S.F.), Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge DB2 2QQ, United Kingdom
5. Surgery (D.P.Y.), Nashville, Tennessee 37232
6. Vanderbilt Mouse Metabolic Phenotyping Center (D.P.Y., K.L.J.E., L.L.M.), Vanderbilt University School of Medicine, Nashville, Tennessee 37232
7. Pathology, Microbiology, and Immunology (K.B.), Nashville, Tennessee 37232