1. Center for Diabetes and Endocrine Research, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH
2. Department of Physiology and Pharmacology, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH
3. Department of Rehabilitation Sciences, College of Health Sciences, The University of Toledo, Toledo, OH
4. Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA
5. Research Division, Joslin Diabetes Center, Harvard Medical School, Boston, MA
6. Section of Endocrinology and Metabolism, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT