I. Nieminen¹, H. Huhtala², M. Hyöty¹, P. Collin¹, P. Aitola¹, ¹Tampere University Hospital, Gastroenterology and alimentary tract surgery, Tampere, Finland, ²University of Tampere, Finland

G. Pineton de Chambrun*¹, L. Libier², M. Nachury², M. Collins³, D. Koriche⁴, C. Gower-Rousseau⁵, P. Zerbib⁴, A. Cortot⁶, J.-F. Colombel⁷, P. Desreumaux²

¹Montpellier 1 University, Gastroenterology and Hepatology, Montpellier, France, ²CHU de Lille, Department of Gastroenterology, Lille, France, ³APHP Paris Sud University , Gastroenterology, Le Kremlin Bicêtre, France, ⁴Lille University Hospital, Colorectal Surgery Department , Lille, France, ⁵Lille University Hospital, North of France University, Epidemiology, Lille, France, ⁶Lille University Hospital, North of France University, Gastroenterology, Lille, France, ⁷Mount Sinai Hospital, Gastroenterology, New-York, United States

E. Rodrigues-Pinto¹, F. Magro¹, F. Osório², S. Lopes¹, S. Magina², G. Macedo¹, ¹Centro Hospitalar São João, Gastroenterology Department, Porto, Portugal, ²Centro Hospitalar São João, Dermatology, Porto, Portugal

M.K. Choi¹, G.A. Song¹, D.U. Kim¹, D.Y. Ryu¹, ¹Pusan National University College of Medicine, Internal Medicine, Busan, South Korea

N. Quraishi¹, M. McMillan¹, M. Widlak*¹, L. Nell¹, K. Quraishi², S. Pathmakanthan¹, N. Sharma², T. Iqbal¹

¹University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Gastroenterology, Birmingham, United Kingdom, ²Heart of England NHS Foundation Trust, Heartlands Hospital, Gastroenterology, Birmingham, United Kingdom

J. Tang, X. Gao, M. Zhi, H. Zhou, H. Chen, M. Zhang, Q. Yang, Z. Liang, The Sixth Affiliated Hospital of Sun Yat-sen University, Department of Gastroenterology, Guangzhou, China

C.H. Choi¹, K.H. Lee¹, S.K. Chang¹, W.H. Kim², Y.H. Kim³, ¹Chung-Ang University College of Medicine, Internal Medicine, Seoul, South Korea, ²Yonsei University College of Medicine, Internal Medicine, Seoul, South Korea, ³Sungkyunkwan University College of Medicine, South Korea

T. Emmanouil*¹, C. Christou², A. Chatziioannou³, E. Falidas², C. Vardas², N. Kontoravdis², S. Baratsis²

¹Iaso General Hospital, Department of Gastroenterology and Surgery, Athens, Greece, ²Iaso General Hospital, Department of Gastroenterology and Surgery, Athens, Greece, ³National Hellenic Research Foundation, Institute of Biological Research &Biotechnology, Athens, Greece

N.C. Hare^1,2, N.A. Kennedy^2,3, R. Kalla^2,3, K. Kingstone⁴, I.D.R. Arnott², A.G. Shand², K. Palmer², I. Penman⁵, C.W. Lees^2,3, J. Satsangi^2,3, ¹Taunton and Somerset NHS Foundation Trust, Department of Gastroenterology, Taunton, United Kingdom, ²Western General Hospital, Gastrointestinal Unit, Edinburgh, United Kingdom, ³University of Edinburgh, Gastrointestinal Unit, Centre for Genomic and Experimental Medicine, Edinburgh, United Kingdom, ⁴Western General Hospital, Department of Clinical Biochemistry, Edinburgh, United Kingdom, ⁵Royal Infirmary of Edinburgh, Endoscopy Unit, Centre for Liver and Digestive Disorders, Edinburgh, United Kingdom

G. D'Haens¹, D.T. Rubin², S. Inglis³, E. Magee⁴, P. Streck⁴, D. Solomon⁴, on behalf of the Ulcerative Colitis Remission Study Group, ¹Academic Medical Center, Amsterdam, Netherlands, ²University of Chicago Inflammatory Bowel Disease Center, Chicago, IL, United States, ³Shire Pharmaceutical Development Ltd, Basingstoke, United Kingdom, ⁴Shire Development LLC, Wayne, PA, United States

J.-H. Chen¹, C. Corte¹, V. Kariyawasam², N. Moran¹, P. Gounder¹, G. Collins¹, S. Connor³, T.W. Lee⁴, A. Walsh⁵, C.E. Koh^{6, 7}, J. Chang¹, S. Paramsothy⁸, S. Tattersall⁹, D.A. Lemberg^{10, 11}, A. McLachlan^{12, 13}, G. Moore¹⁴, J. Andrews¹⁵, R. Leong*¹

¹Concord Repatriation General Hospital, Gastroenterology & Hepatology, Sydney, Australia, ²Blacktown Hospital, Gastroenterology & Hepatology, Sydney, Australia, ³Liverpool Hospital, Gastroenterology & Hepatology, Sydney, Australia, ⁴Wollongong Hospital, Gastroenterology & Hepatology, Wollongong, Australia, ⁵St. Vincent Hospital, Gastroenterology & Hepatology, Sydney, Australia, ⁶Royal Prince Alfred Hospital, Colon & Rectal Surgery, Sydney, Australia, ⁷Royal Prince Alfred Hospital, Surgical Outcomes Research Centre, Sydney, Australia, ⁸University of New South Wales, St Vincent's Clinical School, Faculty of Medicine, Sydney, Australia, ⁹Ryde Hospital, Gastroenterology, Sydney, Australia, ¹⁰Sydney Children's Hospital, Paediatric Gastroenterology, Sydney, Australia, ¹¹University of New South Wales, Woman's and Children's Health, Sydney, Australia, ¹²The University of Sydney, Faculty of Pharmacy, Sydney, Australia, ¹³Concord Repatriation General Hospital, Centres for Education and Research on Ageing, Sydney, Australia, ¹⁴Monash University & Monash Health, Gastroenterology & Hepatology, Clayton, Melbourne, Australia, ¹⁵Royal Adelaide Hospital, Gastroenterology and Hepatology, Adelaide, Australia

J.F. Brandse¹, J.M. Jansen², P.A. Baars³, M. Löwenberg¹, C.Y. Ponsioen¹, G.R. van den Brink¹, G. D'Haens¹, ¹Academic Medical Center, Inflammatory Bowel Disease Centre, Amsterdam, Netherlands, ²Onze Lieve Vrouwe Gasthuis, Gastroenterology and Hepatology, Amsterdam, Netherlands, ³Academic Medical Center, Clinical Immunology, Amsterdam, Netherlands