1. Department of Physiology and Pharmacology, University of Georgia College of Veterinary Medicine, Athens, Georgia;
2. Department of Veterinary Clinical Medicine, University of Illinois College of Veterinary Medicine, Urbana-Champaign, Illinois;
3. Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia;
4. Nestlé Purina Petcare, St. Louis, Missouri;
5. Nestlé Research Center, Lausanne, Switzerland;
6. Department of Veterinary Biosciences, University of Illinois College of Veterinary Medicine, Urbana-Champaign, Illinois;
7. Emory NMR Research Center, Emory University, Atlanta, Georgia;
8. Division of Endocrinology, Metabolism, and Lipids, Department of Medicine, Emory University School of Medicine and the Atlanta Veterans Affairs Medical Center, Atlanta, Georgia