C. Cassieri*¹, R. Pica¹, E. v. V. Avallone¹, G. Brandimarte², M. Zippi¹, P. Crispino¹, G. Lecca², C. Corrado¹, P. Vernia¹, P. Paoluzi¹, E. v. S. Corazziari¹

¹ ‘Sapienza’ University, Internal Medicine and Medical Specialties, Rome, Italy, ²’Cristo Re’ Hospital, Internal Medicine, Rome, Italy

A. Algaba*, I. Guerra, D. Bonillo, M. Hernández, A. Granja, P. Bernal, F. Berrmejo

Hospital Universitario de Fuenlabrada, Gastroenterology, Madrid, Spain

A. Asairinachan*, V. An, E. Daniel, M. Johnston, J. Keck, P. Salama, R. Woods

St Vincent’s Hospital Melbourne, Victoria, Australia

Abstract has been withdrawn.

M. Murakami*¹, T. Kanemura¹, A. Haga¹, R. Kubota¹, K. Yaguchi¹, M. Nishio¹, S. Tsuda¹, T. Ogashiwa¹, Y. Kogure¹, K. Kasahara¹, K. Hirai², Y. Fukuno², M. Jin², A. Hanzawa², H. Yonezawa², K. Sakamaki³, K. Numata⁴, H. Kimura¹, R. Kunisaki¹

¹Yokohama City University Medical Centre, Inflammatory Bowel Disease Centre, Yokohama, Japan, ²Yokohama City University Medical Centre, Department of Laboratory Medicine and Clinical Investigation, Yokohama, Japan, ³Graduate School of Medicine, Yokohama City University, Department of Biostatistics and Epidemiology, Yokohama, Japan, ⁴Yokohama City University Medical centre, Gastroenterology Centre, Yokohama, Japan

S. N. W. Chuah*¹, P. Delord², N. Sutiman³, W. F. Leong³, S. C. Kong¹, B. Schwender¹, P. W. Chan¹, H. H. Shim¹, E. Salazar¹, E. H. Ong⁴, H. Y. Aw⁵, J. L. Hartono⁴, W. C. Lim⁶, C. Ong⁷, P. L. Ong⁸, K. L. Ling¹, B. Chowbay²

¹Singapore General Hospital, Department of Gastroenterology and Hepatology, Singapore, Singapore, ²National Cancer Centre, Clinical Pharmacology Laboratory, Singapore, Singapore, ³Singapore Health Services, Clinical Pharmacology, Singapore, Singapore, ⁴National University Hospital, Department of Gastroenterology and Hepatology, Singapore, Singapore, ⁵National University Hospital, Division of Paediatric Gastroenterology, Singapore, Singapore, ⁶Tan Tock Seng Hospital, Department of Gastroenterology and Hepatology, Singapore, Singapore, ⁷KK Women’s and Children’s Hospital, Department of Gastroenterology and Hepatology, Singapore, Singapore, ⁸Changi General Hospital, Department of Gastroenterology and Hepatology, Singapore, Singapore

K. Wierstra¹, K. Smith¹, J. Bal², L. Ambrosio², K. I. Kroeker², L. Dieleman², B. Halloran², R. N. Fedorak², K.-A. Berga³, V. W. Huang*⁴

¹University of Alberta, Edmonton, Canada, ²University of Alberta, Gastroenterology, Edmonton, Canada, ³MacEwan University, Edmonton, Canada, ⁴University of Alberta, Medicine, Edmonton, Canada

A. Vaz*, M. Eusébio, A. Antunes, P. Queirós, T. Gago, T. Belo, P. Caldeira, H. Guerreiro

Centro Hospitalar do Algarve, Faro, Portugal

P. Czubkowski*, M. Wozniak, J. Pawlowska, I. Jankowska, J. Kierkus

The Children’s Memorial Health Institute, Department of Gastroenterology, Hepatology, Feeding Disorders and Paediatrics, Warsaw, Poland

C. Höög*, M. Eberhardson, S. Almer

Karolinska Institute, Stockholm, Sweden

D. Klett*, D. Strobel, D. Wildner, R. Atreya, M. F. Neurath, R. S. Görtz

Friedrich-Alexander University Erlangen-Nürnberg, Department of Medicine I, Erlangen, Germany

K. Juzlova¹, K. Koblova¹, J. Herzogova¹, M. Bortlik*², D. Duricova², M. Lukas²

¹2nd Faculty of Medicine, Charles University, Department of Dermatovenereology, Prague, Czech Republic, ²Charles University, IBD Clinical and Research Centre, ISCARE, Prague, Czech Republic

J. W. Lee, C. H. Choi*

Chung-Ang University College of Medicine, Internal Medicine, Seoul, South Korea

C. Olbjørn*^{1, 2}, J. B. Rove¹, J. Jahnsen^{2, 3}

¹Akershus University Hospital, Department of Paediatric and Adolescent Medicine, Lørenskog, Norway, ²University of Oslo, Institute of Clinical Medicine, Oslo, Norway, ³Akershus University Hospital, Department of Gastroenterology, Lørenskog, Norway

M. Stefanowicz*¹, H. Ismail¹, G. Kowalewski¹, A. Kowalski¹, J. Kierkuś², P. Kaliciński¹

¹Children’s Memorial Health Institute, Department of Paediatric Surgery and Organ Transplantations, Warszawa, Poland, ²Children’s Memorial Health Institute, Department of Gastroenterology, Hepatology, Feeding Disorders and Paediatrics, Warszawa, Poland

A. Franceschetti*¹, A. Baskett², H. McKenzie²

¹Ipsos healthcare, London, United Kingdom, ²Ipsos Healthcare, London, United Kingdom

E. Zittan*^{1, 2}, O. B. Kelly¹, B. Kabakchiev¹, G. C. Nguyen¹, K. Croitoru¹, A. H. Steinhart¹, M. S. Silverberg¹

¹Mount Sinai Hospital, Zane Cohen Centre for Digestive Diseases; Division of Gastroenterology, Department of Medicine, University of Toronto, Toronto, Canada, ²Institute of Gastroenterology and Liver Diseases, Emek Medical Centre, Afula, Israel

A. Amiot*¹, J. C. Grimaud², X. Treton³, J. Filippi⁴, B. Pariente⁵, L. Peyrin-Biroulet⁶, A. Noureille⁷, A. Buisson⁸, F. Carbonnel⁹, A. Bourrier¹⁰, S. Nancey¹¹, X. Roblin¹², P. Marteau¹³, R. Altwegg¹⁴, J. Moreau¹⁵, A. Aubourg¹⁶, G. Savoye¹⁷, A. L. Pelletier¹⁸, M. Fumery¹⁹, B. Bonaz²⁰, Y. Bouhnik³

¹Henri Mondor Hospital, Gastroenterology, Creteil, France, ²Hospital Nord, Department of Gastroenterology and Hepatology, Marseille, France, ³APHP Beaujon, Department of Gastroenterology, Clichy, France, ⁴Archet 2 Hospital, Department of Gastroenterology, Nice, France, ⁵CHRU Lille, Department of Gastroenterology, Lille, France, ⁶CHU Nancy, Department of Gastroenterology and Hepatology, Vandoeuvre-Lès-Nancy, France, ⁷CHU Hotel Dieu, Department of Gastroenterology, Nantes, France, ⁸CHU Estaing, Department of Gastroenterology, Clermont-Ferrand, France, ⁹CHU Bicêtre, Department of Gastroenterology, Le Kremlin-Bicêtre, France, ¹⁰APHP St. Antoine Hospital, Department of Gastroenterology, Paris, France, ¹¹Hospital Edouard Herriot, Department of Gastroenterology and Hepatology, Lyon, France, ¹²University of Saint Etienne, Department of Gastroenterology, Saint Etienne, France, ¹³Hospital Lariboisière, Department of Gastroenterology, Paris, France, ¹⁴CHU Montpellier Saint Eloi Hospital, Department of Gastroenterology, Montpellier, France, ¹⁵CHU de Toulouse Hospital de Rangueil, Department of Gastroenterology, Toulouse, France, ¹⁶Chu Tours, Department of Gastroenterology and Hepatology, Tours, France, ¹⁷CHU Rouen, Department of Gastroenterology, Rouen, France, ¹⁸Hospital Bichat Claude Bernard, Department of Gastroenterology, Paris, France, ¹⁹Amiens University Hospital, Department of Gastroenterology, Amiens, France, ²⁰Grenoble, gastroenterologie, Grenoble, France

A. Mukherjee¹, C. Deng², R. Xie², S.W. Martin³, G. Chan⁴, M. Moscariello⁴, W. Niezychowski⁴, E. Maller*⁴

¹Pfizer Inc, Groton, United States, ²Pfizer Inc, Shanghai, China, ³Pfizer Inc, Cambridge, United States, ⁴Pfizer Inc, Collegeville, Pennsylvania, United States

O. Yanartas¹, H. c. T. Kanı², E. Bicakci³, Y. Bez¹, M. Banzragch³, Z. Senkal¹, I. Kilic⁴, O. Atug³, K. Kuscu¹, N. Imeryuz³, H. Akin*³

¹Marmara University, Psychiatry, Istanbul, Turkey, ²Marmara University, Internal Medicine, Istanbul, Turkey, ³Marmara University, Gastroenterology, Istanbul, Turkey, ⁴Marmara University, Medical Student, Istanbul, Turkey

Y. Zhulina¹, Y. Cao², K. Amcoff³, M. Carlson³, C. Tysk¹, J. Halfvarson*¹

¹Örebro University, Department of Gastroenterology, Faculty of Medicine and Health, Örebro, Sweden, ²Örebro University, Clinical Epidemiology and Biostatistics, Faculty of Medicine and Health, Örebro, Sweden, ³Uppsala University, Department of Medical sciences, Gastroenterology Research Group, Uppsala, Sweden