1. School of Clinical Sciences, University of Bristol, Bristol, United Kingdom.
2. Division of Endocrinology, Diabetes and Metabolism, University of Miami, Miami, Florida.
3. Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, Colorado.
4. Division of Informatics and Biostatistics, University of South Florida, Tampa, Florida.
5. Division of Epidemiology and Biostatistics, University of Western Michigan Homer Stryker MD School of Medicine, Kalamazoo, Michigan.