1. Department of Endocrinology (K.N.B.-M., C.D., N.B.J., S.H.J., D.L.H., D.W., S.M.), DK-2650 Hvidovre, Denmark
2. Novo Nordisk Foundation Centre for Basic Metabolic Research (K.N.B.-M., C.D., N.B.J., S.H.J., J.J.H.), DK-2200 Copenhagen, Denmark
3. Department of Surgical Gastroenterology (L.N., V.B.K.), Hvidovre Hospital, DK-2650 Hvidovre, Denmark
4. Department of Biomedical Sciences (J.J.H.), University of Copenhagen, DK-2200 Copenhagen, Denmark