1. Center for Diabetes Research (J.I.B., F.K.K., T.V.), DK-2900 Hellerup, Denmark
2. Gentofte Hospital, and NNF Center for Basic Metabolic Research and Department of Biomedical Sciences (J.I.B., J.J.H., B.H., F.K.K.), Faculty of Health Sciences, University of Copenhagen, DK-2900 Hellerup, Denmark
3. Diabetes Research Unit (B.A.), Novo Nordisk A/S, DK-2760 Måløv, Denmark