1. Rowett Research Institute and Aberdeen Center for Energy Regulation and Obesity (P.B., D.W., A.W.R., D.M.O., Z.A.A., J.G.M., P.J.M.), Bucksburn, Aberdeen AB21 9SB, United Kingdom
2. School of Biomedical Sciences (F.J.P.E., S.S., A.W., P.J.), University of Nottingham Medical School, Nottingham NG7 2UH, United Kingdom
3. Department of Endocrinology, Metabolism (A.B.), F5-165, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
4. Department of Internal Medicine (T.J.V.), Erasmus University Medical Center, NL-3015 GE Rotterdam, The Netherlands