D.T. Rubin*¹, M. Skup², S. Johnson³, J. Chao², A. Gibofsky⁴

¹University of Chicago , Medicine, Chicago, United States, ²AbbVie Inc., Global Health Economics & Outcomes Research, North Chicago, United States, ³Medicus Economics, LLC, , Milton, United States, ⁴Hospital for Special Surgery & Weill Cornell Medical College, , New York, United States

F. Colombo¹, A. de Buck², S. Sahami³, A. D'Hoore², W. Bemelman³, Y. Panis⁴, G. Sampietro⁵, ¹Luigi Sacco University Hosptal, Department of Surgery, Milano, Italy, ²University Hospitals Gasthuisberg, Department of Abdominal Surgery, Leuven, Belgium, ³Academic Medical Center, Surgery, Amsterdam, Netherlands, ⁴Hôpital Beaujon, Pole des Maladies de L'Appareil Digestif, Clichy, France, ⁵Luigi Sacco University Hospital. IBD Surgical Unit, Department of Surgery, Milano, Italy

M. Nakano¹, K. Tominaga¹, M. Hoshino¹, K. Kanke¹, H. Hiraishi¹, ¹Dokkyo Medical University, Department of Gastroenterology, Mibu-machi, Japan

Y. Qiu*, R. Mao, B.-l. Chen, Y. He, Z.-r. Zeng, M.-h. Chen

First Affiliated Hospital of Sun Yat-Sen University, Department of Gastroenterology, Guangzhou, China

A. Olson¹, J. Hartung², G. Timony³, R. Peach⁴, M. Boehm⁵, H. Smith², S. Gujrathi⁶, ¹Receptos, Clinical Development, San Diego, United States, ²Receptos, Clinical Operations, San Diego, United States, ³Receptos, Preclinical Sciences, San Diego, United States, ⁴Receptos, CSO, San Diego, United States, ⁵Receptos, CTO, San Diego, United States, ⁶Receptos, CMO, San Diego, United States

N. Khan¹, A. Abbas², A. Williamson², L. Balart², ¹Southeast Louisiana Veterans Health Care System, Gastroenterology, New Orleans, United States, ²Tulane University, Gastroenterology, New Orleans, United States

R. Panaccione*¹, J.-F. Colombel², W.J. Sandborn³, W. Reinisch^{4, 5}, G. D'Haens⁶, D. Hommes⁷, S. Ghosh¹, B. Pappalardo⁸, J. Petersson⁸, A.M. Robinson⁸, A. Lazar⁹, Q. Zhou⁸, R.B. Thakkar⁸

¹University of Calgary, Department of Medicine, Calgary, Canada, ²Icahn School of Medicine at Mount Sinai, Gastroenterology, New York City, United States, ³University of California San Diego, Gastroenterology, La Jolla, CA, United States, ⁴McMaster University, Gastroenterology, Hamilton, Canada, ⁵Medical University of Vienna, Dept. for Gastroenterology and Hepatology, Vienna, Austria, ⁶Academic Medical Centre, Department of Gastroenterology, Amsterdam, Netherlands, ⁷University of California, Gastroenterology, Los Angeles, CA, United States, ⁸AbbVie Inc., Global Pharmaceutical Research & Development, North Chicago, United States, ⁹AbbVie Deutschland GmbH & Co, KG, GPRD, Ludwigshafen, Germany

G. Giarratano¹, A. Stazi¹, C. Toscana², L. Franceschilli³, A. Gaspari³, P. Sileri³, ¹Clinica Madonna delle Grazie, Surgery, Velletri, Italy, ²Clinica Villa Tiberia, Surgery, Rome, Italy, ³University of Rome Tor Vergata, Department of Sperimental medicine and Surgery, Rome, Italy

C. Zeglinas¹, I. Papaconstantinou², M. Gazouli³, C. Nastos², A. Yiallourou², C. Evagelou⁴, I. Vlahogiannakos⁵, K. Tsimaratou³, A. Papalois⁶, C. Tzathas¹, ¹Tzaneion, Gastroenterology, Piraeus, Greece, ²Areteion, Surgery, Athens, Greece, ³Molecular carcinigenesis group, Laboratory of Histology and Embryology, Athens, Greece, ⁴Medical School, Pathology, Athens, Greece, ⁵Laikon Hospital, Internal Medicine, Athens, Greece, ⁶Experimental-Research Unit, ELPEN-Pharmaceuticals Co. Inc, Pikermi, Greece

R. Jacobs*^{1, 2}, S. Reardon³, D. Sagar¹, T.J. Hommes^{1, 2}, D. Margolis⁴, E. Kane¹, W.K. Van Deen¹, L. Eimers¹, E.K. Inserra¹, N. Duran¹, J.M. Choi¹, C.Y. Ha¹, B. Roth¹, A.D. Ho¹, E. Esrailian¹, J. Sack³, D.W. Hommes¹

¹UCLA Center for Inflammatory Bowel Diseases, Division of Digestive Diseases, Los Angeles, United States, ²LUMC, Gastroenterology and Hepatology, Leiden, Netherlands, ³UCLA, Division of General Surgery, Los Angeles, United States, ⁴UCLA, Division of Radiological Sciences, Los Angeles, United States

F. Poullenot¹, P. Seksik², L. Beaugerie², A. Amiot³, M. Nachury⁴, V. Abitbol⁵, C. Stefanescu⁶, C. Reenaers⁷, M. Fumery⁸, A.-L. Pelletier⁹, S. Nancey¹⁰, L. Peyrin-Biroulet¹¹, A. Bourreille¹², X. Hebuterne¹³, H. Brixi¹⁴, G. Savoye¹⁵, N. Lourenco¹⁶, R. Altwegg¹⁷, G. Bommelaer¹⁸, C. Cazelles-Boudier¹⁹, A. Racine²⁰, D. Laharie¹, ¹CHU de Bordeaux, Gastroenterologie, Pessac, France, ²Hopital Saint-Antoine – APHP, Gastroenterologie, Paris, France, ³Hôspital Henri-Mondor, Gastroenterologie, Creteil, France, ⁴CHU de Lille, Gastroenterologie, Lille, France, ⁵Hopital Cochin – APHP, Gastroenterologie, Paris, France, ⁶Hopital Beaujon – APHP, Gastroenterologie, Clichy, France, ⁷CHU de Liege, Gastroenterologie, Liege, Belgium, ⁸CHU de Amiens, Gastroenterologie, Amiens, France, ⁹Hopital Bichat – APHP, Gastroenterologie, Paris, France, ¹⁰Hopital Lyon Sud – APHL, Gastroenterologie, Pierre-Benite, France, ¹¹CHU de Nancy, Gastroenterologie, Vandoeuvre-les-Nancy, France, ¹²CHU de Nantes, Gastroenterologie, Nantes, France, ¹³CHU de Nice, Gastroenterologie, Nice, France, ¹⁴CHU de Reims, Gastroenterologie, Reims, France, ¹⁵CHU de Rouen, Gastroenterologie, Rouen, France, ¹⁶Hopital Saint-Louis – APHP, Gastroenterologie, Paris, France, ¹⁷CHU de Montpellier, Gastroenterologie, Montpellier, France, ¹⁸CHU de Clermont-Ferrand, Gastroenterologie, Clermont-Ferrand, France, ¹⁹CH de Bayonne, Gastroenterologie, Bayonne, France, ²⁰Hôpital du Kremlin-Bicetre – APHP, Gastroenterologie, Kremlin-Bicetre, France