[1] Beth Israel Deaconess Med Ctr, Div Bone & Mineral Metab, Dept Med, Boston, MA 02215 USA
[2] Beth Israel Deaconess Med Ctr, Charles A Dana Res Inst, Boston, MA 02215 USA
[3] Beth Israel Deaconess Med Ctr, Harvard Thorndike Lab, Boston, MA 02215 USA
[4] Beth Israel Deaconess Med Ctr, Dept Med, Div Gerontol, Boston, MA 02215 USA
[5] Beth Israel Deaconess Med Ctr, Dept Med, Div Endocrinol, Boston, MA 02215 USA
[6] Harvard Pilgrim HealthCare, Endocrinol Sect, Hlth Ctr Div, Boston, MA 02215 USA
[7] Massachusetts Gen Hosp, Dept Med, Thyroid Unit, Boston, MA 02114 USA
[8] Tufts Univ New England Med Ctr, Endocrinol Diabet Metab & Mol Med Div, Dept Med, Boston, MA 02111 USA