1. Department of Cell Biology, Yale University School of Medicine, New Haven, CT 1
2. Cambridge Institute for Medical Research, University of Cambridge, Cambridge, UK 2
3. Departments of Pharmacology and Neuroscience, Fraternal Order of Eagles Diabetes Research Center, University of Iowa, Iowa City, IA 3
4. Internal Medicine, Division of Endocrinology and Metabolism, University of Iowa, Iowa City, IA 4
5. Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 5
6. Department of Neurology, University of Michigan School of Medicine, Ann Arbor, MI 6
7. Department of Medicine, University of California San Diego, La Jolla, CA 7
8. VA San Diego Healthcare System, San Diego, CA 8