1. Department of Medicine, The University of Chicago, Chicago, Illinois.
2. Department of Pediatrics, The University of Chicago, Chicago, Illinois.
3. Department of Genetics, The University of Chicago, Chicago, Illinois.
4. Department of Medicine, Imperial College London, London, United Kingdom.
5. Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
6. Fondazione Ca’ Granda Policlinico, Milan, Italy.
7. Institute for Biomedical Research, Higher Council for Scientific Research, Autonomous University of Madrid, Madrid, Spain.
8. Center for Biomedical Network Research on Rare Diseases (CIBERER), Madrid, Spain.
9. Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, California.
10. Wellcome-Medical Research Council Institute of Metabolic Science, University of Cambridge, Cambridge, United Kingdom.
11. Thyroidmanager and Endotext, South Dartmouth, Massachusetts.
12. Raymond and Ruth Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
13. Division of Endocrinology, Metabolism, and Molecular Medicine and Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
14. Research Institute of Environmental Medicine, Nagoya University, Nagoya, Japan.
15. Italian Institute for Auxology, Milan, Italy.
16. Ecole Normale Supérieure de Lyon, Lyon, France.
17. Laboratory of Hormone Action, Singapore Institute of Clinical Sciences, Singapore.