S. Jaeger*¹, K. Hoeger¹, J. Wehkamp², E. Stange¹, M. Escher¹

¹Robert Bosch Krankenhaus, Gastroenterology, Stuttgart, Germany, ²University of Tuebingen, Gastroenterology, Tuebingen, Germany

A. Krajcovicova, T. Hlavaty, Z. Killinger, E. Miznerova, J. Toth, D. Cierny, T. Koller, J. Letkovsky, Z. Zelinkova, M. Huorka, J. Payer, University Hospital Bratislava, 5th Department of Internal Medicine, Bratislava, Slovakia

Y. Suzuki¹, A. Yamada¹, Y. Yoshimatsu¹, K. Takeuchi¹, ¹Sakura Medical Center, Toho University, Internal Medicine, Sakura city, Japan

M. Ward*^{1, 2}, B. Warner², S.W. Chuah^{3, 4}, S. Shieh³, N. Unsworth⁵, J. Sanderson², M. Parkes³, Z. Arkir⁵, P. Irving²

¹Alfred Hospital, Gastroenterology, Melbourne, Australia, ²Guy’s and St. Thomas Hospital, Gastroenterology, London, United Kingdom, ³The Queen Elizabeth Hospital NHS Trust & Addenbrookes Hospital, Gastroenterology, King's Lynn & Cambridge, United Kingdom, ⁴Singapore General Hospital, Department of Internal Medicine, Singapore, Singapore, ⁵Guy’s and St. Thomas Hospital, Reference Chemistry, Viapath, London, United Kingdom

J. Lee¹, M. Duijvestein², G. Pellino³, F. Rieder⁴, F. Scaldaferri⁵, S. Zeissig⁶, P. Hindryckx⁷, T. Raine¹, S. Vermeire⁸, ¹University of Cambridge, Department of Medicine, Cambridge, United Kingdom, ²Academic Medical Center, Gastroenterology & Hepatology, Amsterdam, Netherlands, ³Second University of Naples, Department of Surgery, Naples, Italy, ⁴Lerner Research Institute, The Cleveland Clinic Foundation, Cleveland, United States, ⁵Catholic University of Rome, Department of Internal Medicine, Rome, Italy, ⁶University Medical Center Schleswig-Holstein, Department of Internal Medicine, Kiel, Germany, ⁷Ghent University, Department of Gastroenterology, Gent, Belgium, ⁸Catholic University of Leuven, Department of Internal Medicine and Endoscopy, Leuven, Belgium

K. Kemp¹, J. Griffiths², S. Campbell³, K. Lovell², ¹University of Manchester / Manchester Royal Infirmary, School of Nursing / Gastroenterology, Manchester, United Kingdom, ²University of Manchester, School of Nursing, Manchester, United Kingdom, ³Manchester Royal Infirmary, Gastroenterology, Manchester, United Kingdom

Y.S. Kim*¹, S.I. Bae¹, B.D. Ye², J.P. Im³, J.W. Kim³, J.S. Kim³, J.H. Cheon⁴, Y.-H. Kim⁵, D.S. Han⁶, W.H. Kim⁴, C.H. Yang⁷

¹Inje University College of Medicine, Internal Medicine, Seoul, Korea, Republic of, ²University of Ulsan College of Medicine, Internal Medicine, Seoul, Korea, Republic of, ³Seoul National University College of Medicine, Internal Medicine, Seoul, Korea, Republic of, ⁴Yonsei University College of Medicine, Internal Medicine, Seoul, Korea, Republic of, ⁵Sungkyunkwan University School of Medicine, Internal Medicine, Seoul, Korea, Republic of, ⁶Hanyang University Guri Hospital, Gastroenterology, Guri, Korea, Republic of

⁷Dongguk University College of Medicine Gyeongju Hospital, Division of Gastroenterology & Hepatology, Department of Internal Medicine, Gyeongju, Korea

A. Goldis¹, D. Dobru², L. Gheorghe³, C. Gheorghe³, C. Chijevschi⁴, M. Tantau⁵, G. Constantinescu³, I. Ratiu¹, D. Lazar¹, R. Iacob³, M. Diculescu³, on behalf of the IBDPROSPECT Study Group, ¹University of Medicine Timisoara, Gastroenterology, Timisoara, Romania, ²University of Medicine Targu Mures, Gastroenterology, Targu Mures, Romania, ³University of Medicine Bucharest, Gastroenterology, Bucharest, Romania, ⁴University of Medicine Iasi, Gastroenterology, Iasi, Romania, ⁵University of Medicine Cluj-Napoca, Gastroenterology, Cluj-Napoca, Romania

G. Forbes¹, M. Sturm¹, R. Leong², M. Sparrow³, D. Segarajasingam⁴, A. Cummins⁵, R. Herrmann¹, ¹Royal Perth Hospital, Perth, Australia, ²Concord Hospital, Sydney, Australia, ³The Alfred Hospital, Melbourne, Australia, ⁴Sir Charles Gairdner Hospital, Perth, Australia, ⁵The Queen Elizabeth Hospital, Adelaide, Australia

S. Vavricka¹, G. Rogler¹, E. Safroneeva², A. Schoepfer*³

¹University of Zurich, Gastroenterology and Hepatology, Zurich, Switzerland, ²University of Bern, Institute of Social and Preventive Medicine, Bern, Switzerland, ³Centre Hospitalier Universitaire Vaudois, Gastroenterology and Hepatology, Lausanne, Switzerland

B.D. Ye¹, D.S. Han², E.J. Youn¹, J.H. Lee³, J.H. Cheon⁴, H.-S. Kim⁵, H.-S. Kim⁶, Y.-H. Kim⁷, Y.S. Kim⁸, S.-A. Jung⁹, K.-M. Lee¹⁰, C.K. Lee¹¹, S.J. Park⁴, G.S. Seo¹², J.S. Kim¹³, J.P. Im¹³, C.H. Choi¹⁴, D.I. Park⁷, B.I. Jang¹⁵, J.M. Cha¹¹, K.C. Huh¹⁶, J.W. Kim¹⁷, H.J. Song¹⁸, Y.S. Park¹⁹, H.J. Jang²⁰, S.H. Jung²¹, S.W. Jung²², G.H. Baik²³, J.S. Koo²⁴, J.-O. Kim²⁵, T.O. Kim²⁶, G.A. Song²⁷, Y.E. Joo⁵, S.J. Shin²⁸, S.M. Yoon²⁹, Y.T. Jeen³⁰, S.-K. Yang¹, H.J. Kim¹¹, W.H. Kim⁴, ¹University of Ulsan College of Medicine, Asan Medical Center, Gastroenterology and Inflammatory Bowel Disease Center, Seoul, Korea, Republic of, ²Hanyang University Guri Hospital, Hanyang University College of Medicine, Internal Medicine, Guri, Korea, Republic of, ³Seoul Song Do Colorectal Hospital, Digestive Endoscopic Center, Seoul, Korea, Republic of, ⁴Yonsei University College of Medicine, Internal Medicine and Institute of Gastroenterology, Seoul, Korea, Republic of, ⁵Chonnam National University Medical School, Internal Medicine, Gwangju, Korea, Republic of, ⁶Yonsei University Wonju College of Medicine, Internal Medicine, Wonju, Korea, Republic of, ⁷Sungkyunkwan University School of Medicine, Medicine, Seoul, Korea, Republic of, ⁸Seoul Paik Hospital, Inje University College of Medicine, Internal Medicine, Seoul, Korea, Republic of, ⁹Ewha Womans University School of Medicine, Internal Medicine, Seoul, Korea, Republic of, ¹⁰St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Internal Medicine, Suwon, Korea, Republic of, ¹¹Kyung Hee University School of Medicine, Internal Medicine, Seoul, Korea, Republic of, ¹²Wonkwang University College of Medicine, Internal Medicine, Digestive Disease Research Institute, Iksan, Korea, Republic of, ¹³Seoul National University College of Medicine, Internal Medicine and Liver Research Institute, Seoul, Korea, Republic of, ¹⁴Chung-Ang University College of Medicine, Internal Medicine, Seoul, Korea, Republic of, ¹⁵Yeungnam University College of Medicine, Internal Medicine, Daegu, Korea, Republic of, ¹⁶Konyang University College of Medicine, Internal Medicine, Daejeon, Korea, Republic of, ¹⁷Seoul National University Boramae Hospital, Internal Medicine, Seoul, Korea, Republic of, ¹⁸Jeju National University School of Medicine, Internal Medicine, Jeju, Korea, Republic of, ¹⁹Eulji University School of Medicine, Internal Medicine, Seoul, Korea, Republic of, ²⁰Hallym University College of Medicine, Internal Medicine, Hwaseong, Korea, Republic of, ²¹Eulji University School of Medicine, Internal Medicine, Daejeon, Korea, Republic of, ²²University of Ulsan College of Medicine, Ulsan University Hospital, Internal Medicine, Ulsan, Korea, Republic of, ²³Hallym University College of Medicine, Internal Medicine, Chuncheon, Korea, Republic of, ²⁴Korea University College of Medicine, Internal Medicine, Ansan, Korea, Republic of, ²⁵Soonchunhyang University College of Medicine, Internal Medicine, Seoul, Korea, Republic of, ²⁶Haeundae Paik Hospital, Inje University College of Medicine, Internal Medicine, Busan, Korea, Republic of, ²⁷Pusan National University School of Medicine, Internal Medicine, Busan, Korea, Republic of, ²⁸Ajou University School of Medicine, Gastroenterology, Suwon, Korea, Republic of, ²⁹Chungbuk National University College of Medicine, Internal Medicine, Cheongju, Korea, Republic of, ³⁰Korea University College of Medicine, Internal Medicine, Seoul, Korea, Republic of

J. Landy¹, H. Omar Al-Hassi², E. Ronde², E. Mann², S. Peake¹, S. McLaughlin³, Z.L. Perry-Woodford⁴, P.J. Ciclitira⁵, R.J. Nicholls⁶, S.K. Clark⁷, S. Knight², A.L. Hart¹, ¹St Mark's Hospital, IBD Unit, London, United Kingdom, ²Antigen Presentation Research Group, Imperial College, London, United Kingdom, ³Royal Bournemouth and Christchurch NHS Hospitals Trust, Gastroenterology, Bournemouth, United Kingdom, ⁴St Mark's Hospital, London, United Kingdom, ⁵St Thomas' Hospital, Gastroenterology, London, United Kingdom, ⁶Imperial College, Department of Biosurgery and Surgical Technology, London, United Kingdom, ⁷St Mark's Hospital, Colorectal Surgery, London, United Kingdom

E. Stefanidis¹, P. Katsinelos¹, N. Papanikolaou², K. Anastasiadou¹, J. Kountouras*¹

¹Aristotle University of Thessaloniki, Second Medical Clinic, Ippokration Hospital, Thessaloniki, Greece, ²Aristotle University of Thessaloniki, Department of Biochemistry, Medical School, Thessaloniki, Greece

D.I. Park¹, S.Y. Choi¹, E.R. Kim², Y.H. Kim², C.K. Lee³, K.C. Huh⁴, K.M. Lee⁵, ¹Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Internal medicine, Seoul, South Korea, ²Samsung Medical Center, Sungkyunkwan University School of Medicine, Medicine, Seoul, South Korea, ³Kyung Hee University School of Medicine, Internal medicine, Seoul, South Korea, ⁴Konyang University College of Medicine, Internal medicine, Daejeon, South Korea, ⁵St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Internal medicine, Suwon, South Korea

T. Wyant¹, T. Leach¹, S. Sankoh¹, Y. Wang¹, J. Paolino², B. Feagan³, A. Parikh⁴, ¹Millennium Pharmaceuticals, Inc., Cambridge, United States, ²University of Massachusetts Medical School, Worcester, United States, ³Robarts Research Institute, University of Western Ontario, London, Canada, ⁴Takeda Pharmaceuticals, Inc., Chicago, United States

O. Knyazev¹, A. Kagramanova*¹, A. Parfenov¹, I. Ruchkina¹, A. Konoplyannikov², A. Churikova¹

¹Moscow Clinical Research Center, Department of Inflammatory Bowel Disease, Moscow, Russian Federation, ²Medical Radiological Scientific Center, Department of Stem Cells Therapy, Obninsk, Russian Federation

F.L. Cameron¹, P. Henderson¹, R.K. Russell², D.C. Wilson¹, ¹University of Edinburgh, Child Life and Health, Edinburgh, United Kingdom, ²Royal Hospital for Sick Children, Paediatric Gastroenterology, Glasgow, United Kingdom

C. Hoffman¹, S. Vel¹, M. Greco², S. Danese², H. Szabo², B. Wilson², L. Avedano², ¹Vifor Pharma Ltd, Glattbrugg, Switzerland, ²EFCCA, Brussels, Belgium

B.E. Sands*¹, I. Shafran², F.A. Farraye³, A.S. Cheifetz⁴, B. Abhyankar⁵, S. Sankoh⁶, M. Smyth⁷

¹Icahn School of Medicine at Mount Sinai Hospital, Gastroenterology, New York, United States, ²Shafran Gastroenterology Center, Gastroenterology, Winter Park, FL, United States, ³Boston Medical Center, Gastroenterology, Boston, MA, United States, ⁴Beth Israel Deaconess Medical Center, Medicine, Boston, MA, United States, ⁵Takeda Global Research and Development Centre (Europe) Ltd., Clinical Science, London, United Kingdom, ⁶Takeda Pharmaceuticals International Co., Statistics, Cambridge, Massachusetts, United States, ⁷Takeda Global Research and Development Centre (Europe) Ltd., Medical, London, United Kingdom

W. El-Matary¹, S. Moroz¹, C. Bernstein², ¹Faculty of Medicine, University of Manitoba, Pediatric Gastroenterology, Winnipeg, Canada, ²Faculty of Medicine, University of Manitoba, Gastroenterology, Winnipeg, Canada