1. Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, La Jolla, California, USA.
2. Lexicon Pharmaceuticals, Inc., The Woodlands, Texas, USA.
3. Division of Endocrinology, Metabolism and Lipid Research, John T. Milliken Department of Medicine, Washington University, St. Louis, Missouri, USA.
4. AdventHealth Translational Research Institute, Orlando, Florida, USA.
5. Barbara Davis Center for Diabetes at the University of Colorado Denver, Aurora, Colorado, USA.