[1] Univ Mississippi, Med Ctr, Gastroenterol, Jackson, MS 39216 USA
[2] Mayo Clin, Sch Med, Gastroenterol, Rochester, MN USA
[3] Beth Israel Deaconess Med Ctr, Nucl Med, Boston, MA 02215 USA
[4] Univ Michigan, Med Ctr, Gastroenterol, Ann Arbor, MI USA
[5] Univ Southern Calif, Gastroenterol, Los Angeles, CA USA
[6] Temple Univ, Sch Med, Nucl Med, Philadelphia, PA 19140 USA
[7] Univ Kansas, Med Ctr, Gastroenterol, Kansas City, KS 66103 USA
[8] Cent Indiana Gastroenterol Grp, Indianapolis, IN USA
[9] St Vincent Hosp, Indianapolis, IN USA
[10] Univ Texas Med Branch, Nucl Med, Galveston, TX 77555 USA
[11] Temple Univ, Sch Med, Gastroenterol, Philadelphia, PA 19140 USA
[12] PC & Spectrum Hlth, Adv Radiol, Grand Rapids, MI USA
[13] Calif Pacific Med Ctr, Gastroenterol, San Francisco, CA USA
[14] Johns Hopkins Univ, Sch Med, Nucl Med, Baltimore, MD USA