1. State Key Laboratory of Medical Genomics (C.G., X.C., H.S.), Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025 China
2. Thyroid Program of the Division of Endocrinology (C.G., X.C., H.S., M.A.M., R.H.J., N.Y.L., L.A.C., S.A.H.), Boston Children's Hospital
3. Stem Cell Program and Division of Hematology/Oncology (Y.Z., J.J.G., D.W., L.I.Z.), Boston Children's Hospital, Harvard Stem Cell Institute, Harvard Medical School, and Howard Hughes Medical Institute
4. Department of Medicine (A.V.L., V.N.G., S.A.H.), Brigham and Women's Hospital
5. Dana Farber Cancer Institute (V.N.G., L.I.Z., S.A.H.), Boston, Massachusetts 02115
6. Departments of Physiology and Pharmacology (T.S.S.), Oregon Health and Science University, Portland, Oregon 97239
7. Clinical Research Center (H.A.F.), Boston Children's Hospital