[1] Baylor Univ, Med Ctr, 3410 Worth St,Suite 860, Dallas, TX 75246 USA
[2] Univ Minnesota, Minneapolis, MN USA
[3] Stanford Univ, Stanford, CA 94305 USA
[4] Optum, Philadelphia, PA USA
[5] Johns Hopkins Univ Hosp, Baltimore, MD 21287 USA
[6] Univ Pittsburgh, Pittsburgh, PA USA
[7] Baylor All St Med Ctr, Ft Worth, TX USA
[8] Mt Sinai Hosp, New York, NY 10029 USA
[9] Univ Miami Hlth Syst, Miami, FL USA
[10] Hop Claude Huriez, Serv Hepatogastroenterol, Lille, France
[11] Univ Michigan, Ann Arbor, MI 48109 USA
[12] Univ Wisconsin, Madison, WI USA
[13] Mayo Clin, Rochester, MN USA
[14] Univ Southern Calif, Los Angeles, CA 90007 USA