1. Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA
2. Dallas Diabetes and Endocrine Center at Medical City, Dallas, TX
3. Division of Endocrinology, Diabetes and Bone Disease, Icahn School of Medicine at Mount Sinai, New York, NY
4. Division of Endocrinology, Diabetes & Clinical Nutrition, Oregon Health & Science University, Portland, OR