1. Department of Biological Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
2. Division of Metabolism, Endocrinology, & Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
3. Ann Arbor Veterans Affairs Medical Center, Ann Arbor, MI, USA
4. Department of Medicinal Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
5. Department of Pharmacology, University of Michigan, Ann Arbor, MI 48109, USA