R. Dudkowiak¹, P. Petryszyn¹, L. Paradowski¹, ¹Wroclaw Medical University, Department of Gastroenterology and Hepatology, Wroclaw, Poland

C. Spooren*, M. Pierik, T. van den Heuvel, E. de Koning, Z. van Mechelen, A. Masclee, D. Jonkers

Maastricht University Medical Center+, Internal Medicine - Division Gastroenterology-Hepatology, Maastricht, Netherlands

C. Duron¹, A. Buisson¹, B. Pereira², G. Bommelaer¹, ¹University Hospital Estaing, Gastroenterology department, Clermont-Ferrand, France, ²DRCI, Biostatistics Unit, Clermont-Ferrand, France

M. Protic¹, P. Frei², Z. Radojicic³, A. Schoepfer⁴, P. Juillerat⁵, C. Mottet⁶, G. Rogler⁷, C. Beglinger⁸, F. Seibold¹, ¹Spital Netz Bern, Gastroenterology, Bern, Switzerland, ²See Spital, Gastroenterology, Horgen, Switzerland, ³Faculty of Organizational Sciences, Statistcs, Belgrade, Serbia, ⁴Centre hospitalier universitaire Vaudois, Gastroenterology, Lausanne, Switzerland, ⁵University Hospital Bern Inselspital, Gastroenterology, Bern, Switzerland, ⁶Hospital Neuchâtel, Gastroenterology, Neuchâtel, Switzerland, ⁷University Hospital Zürich, Gastroenterology, Zürich, Switzerland, ⁸University Hospital Basel, Gastroenterology, Basel, Switzerland

L. Maggiori*¹, M. Couturier¹, X. Tréton², Y. Bouhnik², Y. Panis¹

¹Beaujon Hospital, Colorectal Surgery, Clichy, France, ²Beaujon Hospital, Gastroenterology, Clichy, France

D.J. Lee, M.E. Song, S.J. Park, S.P. Hong, T.I. Kim, W.H. Kim, J.H. Cheon, Yonsei University College of Medicine, Department of Internal Medicine and Institute of Gastroenterology, Seoul, South Korea

S. Sharma¹, R. Pradhan¹, R. Thakkar¹, A. Robinson¹, J. Hyams², J. Rosh³, F.M. Ruemmele⁴, W. Awni¹, ¹Abbott Laboratories, United States, ²Connecticut Children's Med Ctr, United States, ³NJ Medical School, United States, ⁴Hôpital Necker-Enfants Malades, France

W. Reinisch*^{1, 2}, J.-F. Colombel³, W. Sandborn⁴, B. Feagan⁵, C. Marano⁶, R. Strauss⁶, S. Huyck⁷, R. Yao⁷, P. Rutgeerts⁸, H. Zhang⁹, F. Cornillie¹⁰

¹McMaster University, Department of Internal Medicine, Hamilton, Canada, ²Medical University, Department of Internal Medicine III, Vienna, Austria, ³Icahn School of Medicine at Mount Sinai, Department of Gastroenterology, New York, United States, ⁴University of California San Diego, Division of Gastroenterology, La Jolla, United States, ⁵University of Western Ontario, Robarts Research Institute, London, Canada, ⁶Janssen R&D, LLC, Clinical Development Immunology, Spring House, United States, ⁷Merck & Co., Inc., Department of Statistics, Merck Research Laboratories, Whitehouse Station, United States, ⁸University Hospital Gasthuisberg, Division of Gastroenterology, Leuven, Belgium, ⁹Merck & Co., Inc., Clinical Biostatistics, Biometrics and Reporting, Whitehouse Station, United States, ¹⁰MSD International, Immunology Medical Affairs, Luzern, Switzerland

M. Rosario¹, N. Dirks², M. Gastonguay², I. Fox¹, A. Milton¹, ¹Takeda Pharmaceuticals International Company, Clinical Pharmacology, Cambridge, United States, ²Metrum Research Group LLC, Biotechnology, Tariffville, United States

R. Pradhan¹, S. Sharma¹, R. Thakkar¹, A. Robinson¹, J. Hyams², J. Rosh³, F.M. Ruemmele⁴, W. Awni¹, ¹Abbott Laboratories, United States, ²Connecticut Children's Med Ctr, United States, ³NJ Medical School, United States, ⁴Hôpital Necker-Enfants Malades, France

D. Lavrek*¹, N. Fournier¹, V. Pittet¹, D. Müller², C. Mottet^{1, 3, 4}

¹Lausanne University Hospital, Institute of Social & Preventive Medicine (IUMSP), Lausanne, Switzerland, ²Zürich University Hospital, Institute of Clinical Chemistry, Zürich, Switzerland, ³Lausanne University Hospital, Division of Gastroenterology & Hepatology, Lausanne, Switzerland, ⁴Hôpital Neuchâtelois, Division of Gastroenterology, Neuchâtel, Switzerland

G. D'Haens¹, W.J. Sandborn², P. Rutgeerts³, J.F. Colombel⁴, D. Mimrod⁵, O. Spiegelstein⁵, K. Brown⁶, B. Feagan⁷, ¹University of Amsterdam, Academic Medical Center, Amsterdam, Netherlands, ²University of California, UCSD Inflammatory Bowel Disease Center, San Diego CA, United States, ³Catholic University of Leuven, Department of Internal Medicine and Endoscopy, Leuven, Belgium, ⁴Icahn School of Medicine at Mount Sinai, Gastroenterology, New York, United States, ⁵Teva Pharmaceuticals, Phase-1 & Clinical Pharmacology Research and Development, Netanya, Israel, ⁶Teva Pharmaceuticals, Clinical Development Research and Development, Frazer, United States, ⁷University of Western Ontario, Robarts Clinical Trials Robarts Research Institute, Ontario, Canada

I. Gubonina¹, A. Pershko¹, A. Dragun², ¹Military Medical Academy, 2nd Therapy Dpt, St-Petersburg, Russian Federation, ²International Medical Centre “Sogaz”, Out-patient department, St-Petersburg, Russian Federation

M. Chaparro*¹, J. Gordillo², E. Domènech³, M. Esteve⁴, M. Barreiro de-Acosta⁵, A. Villoria⁶, E. Iglesias-Flores⁷, M. Blasi², J.E. Naves⁸, O. Benítez⁹, X. Calvet¹⁰, V. García-Sánchez⁷, J.R. Villagrasa¹¹, A.C. Marín¹, M. Ramas¹, I. Moreno¹², J.P. Gisbert¹

¹Hospital Universitario de La Princesa, IIS-IP and CIBERehd, Gastroenterology Unit, Madrid, Spain, ²Hospital Santa Creu i Sant Pau, Gastroenterology Unit, Barcelona, Spain, ³Hospital Universitari Germans Trias i Pujol and CIBERehd, Gastroenterology Unit, Badalona, Spain, ⁴Hospital Universitario Mutua de Terrassa, Gastroenterology Unit, Terrassa, Spain, ⁵Complejo Hospitalario Universitario de Santiago, Gastroenterology Unit, Santiago de Compostela, Spain, ⁶Hospital de Sabadell and CIBERehd, Gastroenterology Unit, Sabadell, Spain, ⁷Hospital Universitario Reina Sofía, Gastroenterology Unit, Córdoba, Spain, ⁸Hospital Universitario Germans Trias i Pujol and CIBERehd, Gastroenterology Unit, Barcelona, Spain, ⁹Hospital Universitario Mutua de Terrassa and CIBERehd. , Gastroenterology Unit, Terrassa, Spain, ¹⁰Hospital de Sabadell. Corporació Sanitària Universitària Parc Taulí and CIBERehd, Gastroenterology Unit, Sabadell, Spain, ¹¹Hospital Universitario de La Princesa and IIS-IP , Preventive medicine unit, Madrid, Spain, ¹²Hospital Universitario de La Princesa and IIS-IP , Fundación de Investigación Biomédica, Madrid, Spain

M. Leclerc¹, H. Marotte², S. Paul³, E. Del Tedesco¹, P. Gonzalo⁴, J.M. Phelip¹, L. Peyrin Biroulet⁵, X. Roblin¹, ¹University Hospital, Gastroenterology, Saint Etienne, France, ²University Hospital, Rheumatology, Saint Etienne, France, ³University Hospital, Immunology, Saint Etienne, France, ⁴University Hospital, Biochimy, Saint Etienne, France, ⁵CHU de Nancy, Gastroenterologie, Vandoeuvre-les-Nancy, France