1. Department of Surgery and Cancer, Imperial College London, United Kingdom (J.T.P.).
2. Centre for Biochemical Pharmacology, Barts and the London Faculty of Medicine and Dentistry, Queen Mary University of London, United Kingdom (F.M.M.-B.).
3. Department of Laboratory Medicine and Pathobiology, Ted Rogers Centre for Heart Research, University of Toronto, Canada (M.P.B.).
4. Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine (A.M.S.).