1. Division of Endocrinology, University Health Network, University of Toronto, Toronto, Ontario, Canada.
2. Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada.
3. Division of Endocrinology, University of Michigan, Ann Arbor, Michigan.
4. Division of Endocrine Surgery, Northwestern University, Chicago, Illinois.
5. Division of Endocrinology, Mayo Clinic, Jacksonville, Florida.
6. American Thyroid Association, Falls Church, Virginia.
7. Division of Endocrine Surgery, General Surgery, University of Chicago, Chicago, Illinois.
8. Division of Endocrinology and Knowledge Evaluation and Research Unit, Mayo Clinic, Rochester, Minnesota.
9. Division of Endocrinology, University of Colorado School of Medicine, Aurora, Colorado.
10. Division of Endocrinology, Rush University, Chicago, Illinois.
11. Division of Endocrinology, University of Lausanne, Lausanne, Switzerland.
12. Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University, Chicago, Illinois.
13. Division of Endocrinology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania.
14. Division of Endocrinology, Harvard Medical School, Boston, Massachusetts.
15. Division of Endocrinology, Diabetes and Clinical Nutrition, Oregon Health Sciences University, Portland, Oregon.
16. Division of Endocrinology, University of Chicago, Chicago, Illinois.
17. Department of Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, New York.
18. Division of Endocrinology, Georgetown University Medical Center, Washington, District of Columbia.