1. Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan
2. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
3. Division of General Internal Medicine and Health Services Research, Department of Medicine, University of California, Los Angeles, California
4. Department of Health Services, University of California, Los Angeles, California
5. Department of Epidemiology, University of Michigan, Ann Arbor, Michigan
6. Division of Research, Kaiser Permanente, Oakland, California
7. Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, Georgia