1. Comprehensive Diabetes Center and Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL
2. Department of Biological Sciences, Marquette University, Milwaukee, WI
3. Metabolic Diseases Institute and Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Cincinnati, Cincinnati, OH
4. Novo Nordisk Research Center, Indianapolis, IN
5. Department of Surgery, University of Michigan, Ann Arbor, MI
6. Lunenfeld-Tanenbaum Research Institute, Mt. Sinai Hospital, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
7. Department of Chemistry, Indiana University, Bloomington, IN