[1] Univ Calif Los Angeles, David Geffen Sch Med, Div Endocrinol, Los Angeles, CA 90095 USA
[2] VA Greater Los Angeles Healthcare Syst, Div Endocrinol, Los Angeles, CA USA
[3] Erasmus MC, Generat R Study Grp, Rotterdam, Netherlands
[4] Erasmus MC, Dept Internal Med, Rotterdam, Netherlands
[5] Erasmus MC, Rotterdam Thyroid Ctr, Rotterdam, Netherlands
[6] Univ Massachusetts, Dept Biol, Amherst, MA 01003 USA
[7] Univ Massachusetts, Program Mol & Cellular Biol, Amherst, MA 01003 USA
[8] Charite, Inst Expt Endokrinol, D-13353 Berlin, Germany
[9] Univ Athens, Thyroid Unit, Evgenid Hosp, Athens, Greece
[10] Museum Natl Hist Nat, Dept Regulat Dev & Diversite Mol, Evolut Regulat Endocriniennes, F-75231 Paris, France