C. Alexakis*¹, S. Saxena², V. Chhaya¹, E. Cecil², R. Pollok¹

¹St George’s Hospital, Gastroenterology, London, United Kingdom, ²Department of Primary Care and Public Health, Imperial College, London, United Kingdom

A. Jauregui-Amezaga*¹, Y. Das², T. Lobatón³, B. Lemmens², T. Bessissow⁴, M. Ferrante¹, G. Van Assche¹, R. Bisschops¹, K. Geboes², G. De Hertogh², S. Vermeire¹

¹University Hospitals Leuven, Gastroenterology, Leuven, Belgium, ²University Hospitals Leuven, Pathology, Leuven, Belgium, ³Hospital Universitari Germans Trias i Pujol, Gastroenterology, Badalona, Spain, ⁴Mc Gill University Health Centre, Gastroenterology, Montreal, Canada

V. M. Navas-López*^{1, 2}, J. Martín-de-Carpi³, A. Grant⁴, T. D. Walters⁵, F. Ruemmele⁶, D. Mack⁷, M. Sladek⁸, R. Shamir⁹, R. Shaoul¹⁰, S. Saeed¹¹, R. K. Russell¹², R. Cytter-Kuint¹³, A. Griffiths¹⁴, D. Turner¹³, A. Otley⁴

¹Paediatric Gastroenterology and Nutrition Unit, Hospital Materno Infantil, Málaga, Spain, ²IBIMA, Biomedical Institute of Málaga, Málaga, Spain, ³Unit for the Comprehensive Care of Paediatric Inflammatory Bowel Disease, Department of Paediatric Gastroenterology, Hepatology and Nutrition, Barcelona, Spain, ⁴IWK Health Centre, Halifax, Nova Scotia, Canada, ⁵Hospital for Sick Children, Toronto, Ontario, Canada, ⁶Hôpital Necker-Enfants Malades, Paris, France, ⁷Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada, ⁸Jagiellonian University Medical College, Krakow, Poland, ⁹Schneider Children’s Medical Centre, Petach Tikvah, Israel, ¹⁰Rambam Health Care Campus, Haifa, Israel, ¹¹Cincinnati Children’s Hospital Medical Centre, Cincinnati, Ohio,United States, ¹²Royal Hospital for Children, Glasgow, United Kingdom, ¹³Institute of Paediatric Gastroenterology, Shaare Zedek Medical Centre, The Hebrew University of Jerusalem, Jerusalem, Israel, ¹⁴Hospital for Sick Children, Toronto, Canada

I. Blumenstein*¹, R. Atreya², G. Greger³, B. Bokemeyer⁴, P. Nurwakagari³, M. F. Neurath², B. Wittig³

¹Goethe-University Frankfurt, Gastroenterology, Frankfurt am Main, Germany, ²University Erlangen, Erlangen, Germany, ³AbbVie Deutschland GmbH & Co.KG, Wiesbaden, Germany, ⁴Gastroenterology Practice, Minden, Germany

V. A. van der Ploeg¹, Y. Maeda*¹, O. D. Faiz¹, A. L. Hart², S. K. Clark¹

¹St Mark’s Hospital, Department of Surgery, Harrow, United Kingdom, ²St Mark’s Hospital, Department of Gastroenterology, Harrow, United Kingdom

R. Ferreiro*, M. Barreiro-de Acosta, A. Lorenzo, J. E. Dominguez-Munoz

University Hospital Santiago de Compostela, Gastroenterology, Santiago, Spain

F. Palone*¹, R. Vitali¹, L. Stronati², R. D’Incà³, A. Armuzzi⁴, B. Barberio³, C. Felice⁴, D. Pugliese⁴, A. Dilillo⁵, M. Mennini⁵, S. Cucchiara⁵

¹ENEA, Department of Radiobiology and Humal Health, Rome, Italy, ²Sapienza University of Rome, Department of Cellular Biotechnology and Haematology, Rome, Italy, ³University of Padova, Department of Surgical, Oncological and Gastroenterological Sciences, Padova, Italy, ⁴Internal Medicine and Gastroenterology - Complesso Integrato Columbus - Catholic University, Department of Internal Medicine, Rome, Italy, ⁵Sapienza, Rome, Paediatric Gastroenterology and Liver Unit, Rome, Italy

H. Chan*¹, D. Ong², Z. Zeng³, W. Tang¹, J. Ching¹, K. L. Goh⁴, I. Hilmi⁴, P. Pisespongsa⁵, S. Aniwan⁶, J. Limsrivilai⁷, J. De Silva⁸, M. Niriella⁸, Y. F. Wang⁹, O. Qin⁹, K. Wu¹⁰, M. Abdullah¹¹, M. Simadibrata¹¹, H. H. Yu¹², K. K. Ng¹³, K. L. Ling¹⁴, M. H. Chen³, J. J. Sung¹, S. Ng¹

¹Institute of Digestive Disease, the Chinese University of Hong Kong, Hong Kong, China, ²National University Hospital of Singapore, Singapore, ³The First Affiliated Hospital of San Yat Sen University, Guangzhou, China, ⁴University of Malaya Medical Centre, Kuala Lumpur, Malaysia, ⁵Maharaj Nakorn Chiangmai Hospital, Chiangmai, Thailand, ⁶King Chulalongkorn Memorial Hospital, Bangkok, Thailand, ⁷Siriraj Hosptial, Bangkok, Thailand, ⁸Colombo North Teaching Hospital, Ragama, Sri Lanka, ⁹West China Hospital, Sichuan University, Chengdu, China, ¹⁰Department of Gastroenterology, Xijing Hospital, Fourth Military Medical University, Shaanxi, China, ¹¹Faculty of Medicine Universitas Indonesia/Dr Cipto Mangunkusumo Hospital, Depok Municipality, Indonesia, ¹²Kiangwu Hospital, Macau, Macao, ¹³Hospital Conde S Januario, Macau, Macao, ¹⁴Singapore General Hospital, Singapore, Singapore

A. A. Wulandari¹, J. Schulz¹, F. Hartmann^2,3, A. Dignass^{2, 3}, J. Stein*^1,3

¹DGD Clinics Sachsenhausen, Frankfurt/Main, Germany, ²Agaplesion Markus Krankenhaus, Frankfurt/Main, Germany, ³Interdisciplinary Crohn Colitis Centre Rhein-Main, Frankfurt/Main, Germany

T. Kobayashi*, T. Toyonaga, S. Kuronuma, O. Takeuchi, M. Nakano, E. Saito, S. Umeda, N. Watanabe, T. Hibi

Kitasato University Kitasato Institute Hospital, Centre for Advanced IBD Research and Treatment, Tokyo, Japan

A. Buisson*^{1, 2}, F. Gonzalez³, F. Poullenot⁴, S. Nancey⁵, E. Sollellis¹, M. Fumery⁶, B. Pariente⁷, M. Flamant⁸, A. Bourreille⁹, G. Bonnaud¹⁰, S. Mathieu¹¹, A. Thevenin¹², M. Duruy¹³, J. FILIPPI¹⁴, F. L’hopital¹⁵, F. Luneau¹⁶, V. Michalet¹⁵, J. Genès¹⁵, A. Achim¹⁷, E. Cruzille¹⁵, G. Bommelaer^{1, 2}, D. Laharie¹⁸, L. Peyrin-Biroulet¹⁹, B. Pereira²⁰, M. Nachury²¹, G. Bouguen²²

¹University Hospital Estaing, Gastroenterology Department, Clermont-Ferrand, France, ²UMR 1071 Inserm/Université d’Auvergne; USC-INRA 2018, Microbes, Intestine, Inflammation and Susceptibility of the Host, Clermont-Ferrand, France, ³Private practice, Nimes, France, ⁴University Hospital, Gastroenterology Department, Bordeaux, France, ⁵Hospices Civils de Lyon, Lyon-Sud Hospital, Gastroenterology, Pierre Benite, France, ⁶University Hospital, Gastroenterology Department, Amiens, France, ⁷University Hospital, Gastroenterology Department, Lille, France, ⁸Private practice, Nantes, France, ⁹University Hospital, Gastroenterology Department, Nantes, France, ¹⁰Private practice, Cornebarrieu, France, ¹¹Private practice, Clermont-Ferrand, France, ¹²Private practice, St Quentin, France, ¹³Private practice, Arles, France, ¹⁴Archet 2 University Hospital, Department of Gastroenterology, Nice, France, ¹⁵Private practice, Riom, France, ¹⁶Private practice, Chateauroux, France, ¹⁷Private practice, Beaumont, France, ¹⁸University Hospital, Bordeaux, France, ¹⁹CHU Nancy Brabois, Department of Gastroenterology, Vandoeuvre les Nancy, France, ²⁰GM – Clermont-Ferrand University and Medical Centre, Biostatistics Unit , Clermont-Ferrand, France, ²¹University Hospital of Lille, Gastroenterology, Lille, France, ²²University Hospital, Rennes, France

A. Testa*¹, A. Rispo¹, P. Mainenti², D. Musto¹, N. Imperatore¹, M. Rea¹, O.M. Nardone¹, M. L. Taranto¹, F. Castiglione¹

¹University ‘Federico II’ of Naples, Department of Clinical Medicine and Surgery, Naples, Italy, ²University ‘Federico II’ of Naples, Naples, Italy

G. Kovacs*¹, N. Sipeki¹, K. Palatka¹, I. Altorjay¹, K. Fechner², 
G. L. Norman³, Z. Shums³, G. Veres⁴, P. L. Lakatos⁵, M. Papp¹

¹University of Debrecen, Clinical Centre, Department of Internal Medicine, Division of Gastroenterology, Debrecen, Hungary, ²Institute of Experimental Immunology, Euroimmun AG, Lubeck, Germany, ³Inova Diagnostics, Inc., San Diego, California, United States, ⁴Semmelweis University, First Department of Paediatrics, Budapest, Hungary, ⁵Semmelweis University, First Department of Medicine, Budapest, Hungary

A. J. Brooks*¹, G. Rowse², A. Ryder², E. J. Peach², B. M. Corfe³, A. J. Lobo¹

¹Sheffield Teaching Hospitals NHS Foundation Trust, Academic Department of Gastroenterology, Sheffield, United Kingdom, ²University of Sheffield, Department of Psychology, Sheffield, United Kingdom, ³University of Sheffield, Department of Oncology, Sheffield, United Kingdom

F. Civitelli*¹, F. Maccioni², S. Oliva¹, M. Aloi¹, A. Dilillo¹, E. Casciani³, F. Viola¹, S. Cucchiara¹

¹Sapienza University, Paediatric Gastroenterology and Liver Unit, Rome, Italy, ²Sapienza University, Department of Radiological Sciences, Oncology, and Pathology, Rome, Italy, ³University of Rome Sapienza, Department of Emergency Radiology, Rome, Italy

T. Molnar*¹, F. Nagy¹, P. Fitz², L. Lakatos³, P. Miheller⁴, T. Szamosi⁵, A. Vincze⁶, J. Banai⁵, A. Kovács⁷, J. Novák⁸, A. Salamon⁹, A. Szepes¹⁰, N. Szigeti¹¹, M. Juhász⁴, K. Müllner⁴, O. Kadenczki¹², M. Rutka¹, A. Bálint¹, R. Bor¹, A. Milassin¹, Z. Szepes¹, K. Farkas¹

¹University of Szeged, First Department of Medicine, Szeged, Hungary, ²St. Francis Hospital, Kalocsa, Hungary, ³Csolnoky Ferenc Veszprém County Hospital, Veszprém, Hungary, ⁴Semmelweis University, 2nd Department of Medicine, Budapest, Hungary, ⁵State Health Centre, Department of Gastroenterology, Budapest, Hungary, ⁶University of Pécs, First Department of Internal Medicine, Pécs, Hungary, ⁷Péterfy Sándor Hospital and Trauma Centre, Budapest, Hungary, ⁸Bekes County Pandy Kalman Hospital, Gyula, Hungary, ⁹Tolna County Balassa Janos Hospital, Gastroenterology Department, Szekszárd, Hungary, ¹⁰Bács-Kiskun County University Teaching Hospital, Kecskemét, Hungary, ¹¹University of Pécs, Second Department of Internal Medicine and Nephrology Centre, Pécs, Hungary, ¹²University of Debrecen, Debrecen, Hungary

A. Milassin*¹, A. Sejben², Z. Reisz², L. Tiszlavicz², G. Lázár³, R. Bor¹, A. Bálint¹, M. Rutka¹, Z. Szepes¹, K. Farkas¹, T. Molnár¹

¹University of Szeged, First Department of Internal Medicine, Szeged, Hungary, ²University of Szeged, Department of Pathology, Szeged, Hungary, ³University of Szeged, Department of Surgery, Szeged, Hungary

J. Wu*, E. Harrison, C. S. Chey, H. Johnson, S. Weaver, S. Mclaughlin

The Royal Bournemouth and Christchurch Hospitals NHS Foundation Trust, Gastroenterology, Bournemouth, United Kingdom

S.-K. Park*, Y. S. Jung, D. I. Park

Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea

U. Chauhan*¹, Y. Farbod², D. Armstrong², S. L. Halder², S. Kaasalainen³, J. K. Marshall², J. Popov², F. Tse², P. Moayyedi²

¹McMaster University Medical Centre, Digestive Disease, Hamilton, Canada, ²McMaster University, Department of Gastroenterology, Hamilton, Canada, ³McMaster University, School Of Nursing, Hamilton, Canada