1. 1University of Washington Diabetes Institute, Division of Endocrinology, Diabetes and Metabolism, Seattle, WA
2. 2Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, University of Chicago, Chicago, IL
3. 3Department of Biostatistics, University of Washington, Seattle, WA
4. 4Division of Endocrinology, Diabetes, and Metabolism, University of New Mexico School of Medicine, Albuquerque, NM