1. Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, Illinois.
2. Division of Endocrinology, Diabetes, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
3. Division of Endocrinology, Mayo Clinic, Rochester, Minnesota.
4. Thyroid Research Group, Systems Immunity Research Institute, Cardiff University School of Medicine, Cardiff, United Kingdom.
5. Division of Endocrinology, Diabetes and Nutrition, Boston Medical Center/Boston University, Boston, Massachusetts.
6. Division of Endocrinology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
7. Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
8. Thyroid Associates, Massachusetts General Hospital, Boston, Massachusetts.
9. Oregon Clinical and Translational Research Institute, Oregon Health and Science University, Portland, Oregon.
10. University Health Network and University of Toronto, Toronto, Canada.
11. Division of Endocrinology, Georgetown University, Washington, DC.