[1] Univ Montreal, Montreal Heart Inst, Lab Genet & Genom Med Inflammat, Montreal, PQ H1T 1C8, Canada
[2] Univ Groningen, Univ Med Ctr Groningen, Dept Gastroenterol & Hepatol, Groningen, Netherlands
[3] Univ Pittsburgh, Sch Med, Dept Med, Div Gastroenterol Hepatol & Nutr, Pittsburgh, PA USA
[4] IRCCS, UU OO Gastroenterol & Endoscopia Digest, Osped Casa Sollievo Sofferenza, San Giovanni Rotondo, Italy
[5] Univ Med Ctr Utrecht, Dept Med Genet, Complex Genet Sect, Utrecht, Netherlands
[6] Johns Hopkins Univ, Dept Med, Harvey M & Lyn P Meyerhoff Inflammatory Bowel Dis, Baltimore, MD USA
[7] Yale Univ, Dept Med, Div Gastroenterol, Inflammatory Bowel Dis IBD Ctr, New Haven, CT 06520 USA
[8] Yale Univ, Dept Genet, Div Gastroenterol, Inflammatory Bowel Dis IBD Ctr, New Haven, CT 06520 USA
[9] Univ Toronto, Mt Sinai Hosp, IBD Ctr, Toronto, ON M5G 1X5, Canada
[10] Cedars Sinai Med Ctr, Inst Med Genet, Los Angeles, CA 90048 USA
[11] Cedars Sinai Med Ctr, Inflammatory Bowel Dis IBD Ctr, Los Angeles, CA 90048 USA
[12] Radboud Univ Nijmegen, Med Ctr, Dept Gastroenterol & Hepatol, NL-6525 ED Nijmegen, Netherlands
[13] Univ Amsterdam, Acad Med Ctr, Dept Gastroenterol & Hepatol, NL-1105 AZ Amsterdam, Netherlands
[14] Cleveland Clin, Ctr Inflammatory Bowel Dis, Dept Gastroenterol & Hepatol, Cleveland, OH 44106 USA
[15] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Gastrointestinal Unit, Cambridge, MA 02138 USA
[16] Harvard Univ, Ctr Computat & Integrat Biol, Sch Med, Cambridge, MA 02138 USA
[17] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Ctr Human Genet Res, Boston, MA USA