1. Division of Cell and Molecular Biology (F.Y., I.G.F., T.J.), Toronto General Research Institute, University Health Network, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada M5G 1L7
2. Department of Medicine (I.G.F., P.L.B., T.J.), Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada M5G 1L7
3. Department of Physiology (G.E.L., I.G.F., P.L.B., T.J.), Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada M5G 1L7
4. Banting and Best Diabetes Centre (I.G.F., T.J.), Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada M5G 1L7
5. Department of Laboratory Medicine and Pathobiology (J.S., T.J.), Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada M5G 1L7