1. Joint Program on Diabetes, Endocrinology and Metabolism, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, Louisiana, and Louisiana State University Health Sciences Center School of Medicine, New Orleans, Louisiana
2. Dallas Diabetes and Endocrine Center at Medical City, Dallas, Texas
3. University of California, San Diego, San Diego, California
4. Oregon Health and Science University, Portland, Oregon