1. Department of Medicine, Manchester Royal Infirmary, Manchester, U.K.
2. Division of Endocrinology, Diabetes & Metabolism, University of Miami School of Medicine, Miami, Florida
3. The Strelitz Diabetes Institute, Eastern Virginia Medical School, Norfolk, Virginia
4. Department of Neuroscience, Albert Einstein College of Medicine of Yeshiva University, Bronx, New York
5. Department of Medicine (Neurology), University Health Network, University of Toronto, Toronto, Canada
6. Department of Neurology, University of Michigan, Ann Arbor, Michigan
7. Department of Neurology, Harvard University, Boston, Massachusetts
8. Department of Medical Technology, University of Delaware, Newark, Delaware
9. German Diabetes Clinic, German Diabetes Center, Leibniz Institute at the Heinrich Heine University, Düsseldorf, Germany