[1] Massachusetts Gen Hosp, Div Gastroenterol, Boston, MA USA
[2] Harvard Med Sch, Boston, MA USA
[3] Mayo Clin, Robert D & Patricia E Kern Ctr Sci Hlth Care Deli, Rochester, MN USA
[4] Univ Colorado, Div Gastroenterol & Hepatol, Crohns & Colitis Ctr, Anschutz Med Campus, Aurora, CO USA
[5] Icahn Sch Med Mt Sinai, Dr Henry D Janowitz Div Gastroenterol, New York, NY 10029 USA
[6] Aalborg Univ, Ctr Mol Predict Inflammatory Bowel Dis PREDICT, Dept Clin Med, Copenhagen, Denmark
[7] Univ North Carolina, Div Gastroenterol & Hepatol, Chapel Hill, NC USA
[8] Univ North Carolina, Multidisciplinary Ctr Inflammatory Bowel Dis, Chapel Hill, NC USA
[9] Univ Calif Los Angeles, David Geffen Sch Med, Vatche & Tamar Manoukian Div Digest Dis, Los Angeles, CA 90095 USA
[10] Mayo Clin, Coll Med & Sci, Div Gastroenterol & Hepatol, Rochester, MN USA
[11] Univ Calif San Diego, Dept Med, Div Gastroenterol, La Jolla, CA USA
[12] Univ Calif San Diego, Dept Med, Div Biomed Informat, La Jolla, CA USA