[1] Harvard Univ, Sch Med, Dept Radiol, Boston, MA 02115 USA
[2] Harvard Univ, Sch Med, Dept Pathol, Boston, MA 02115 USA
[3] Harvard Univ, Sch Med, Thyroid Unit, Div Endocrinol Diabet & Hypertens,Dept Med, Boston, MA 02115 USA
[4] Harvard Univ, Sch Med, Brigham & Womens Hosp, Boston, MA 02115 USA
[5] Mayo Clin & Mayo Fdn, Dept Radiol, Rochester, MN 55905 USA
[6] Mayo Clin & Mayo Fdn, Dept Pathol, Rochester, MN 55905 USA
[7] Mayo Clin & Mayo Fdn, Div Endocrinol, Rochester, MN 55905 USA
[8] Univ Calif San Francisco, Dept Surg, San Francisco, CA 94143 USA
[9] Hosp Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
[10] Hosp Univ Penn, Div Endocrinol Diabet & Metab, Philadelphia, PA 19104 USA
[11] Brown Univ, Rhode Isl Hosp, Dept Radiol, Providence, RI 02903 USA
[12] Univ Texas, MD Anderson Canc Ctr, Dept Surg, Houston, TX 77030 USA
[13] Univ Texas, MD Anderson Canc Ctr, Dept Endocrine Neoplasia & Hormonal Disorders, Houston, TX 77030 USA
[14] Duke Univ, Sch Med, Dept Radiol, Durham, NC USA
[15] Thomas Jefferson Univ, Dept Radiol, Philadelphia, PA 19107 USA
[16] Stanford Univ, Dept Radiol, Palo Alto, CA 94304 USA
[17] Washington Univ, Sch Med, Mallinckrodt Inst Radiol, St Louis, MO USA
[18] Univ Alabama Birmingham, Dept Radiol, Birmingham, AL USA