1. Diabetes Institute, University of Washington, Seattle, Washington 98109
2. Department of Surgery, University of Michigan, Ann Arbor, Michigan 48109
3. Naomi Berrie Diabetes Center and Department of Pathology and Cell Biology, Columbia University, New York, New York 10032
4. Center for Public Health Nutrition, University of Washington, Seattle, Washington 98195
5. John S. McIlhenny Skeletal Muscle Physiology Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana 70808
6. Division of Molecular Genetics, Department of Pediatrics, Columbia University, New York, New York 10032