M.-L. Rabilloud¹, A.-L. Mallet², L. Siproudhis², E. Bajeux³, J.-F. Viel³, I. Tron⁴, J.-F. Bretagne¹, M. Robaszkiewicz⁵, G. Bouguen*¹

¹Université Rennes 1 & CHU Pontchaillou Rennes, Service des Maladies de l’Appareil Digestif, Rennes, France, ²Université Rennes 1 & CHU Pontchaillou Rennes, Service de chirurgie digestive, Rennes, France, ³CHU Pontchaillou, Service de Santé Publique, Rennes, France, ⁴ORSB, Rennes, France, ⁵CHU Brest, La Cavale Blanche, Service des Maladies de l’Appareil Digestif, Brest, France

A. Wisniewski*^{1, 2}, C. Landman¹, J. Kirchgesner¹, A. Bourrier¹, I. Nion-Larmurier¹, H. Sokol¹, P. Seksik¹, J. Cosnes¹, L. Beaugerie¹

¹Hôpital Saint-Antoine AP-HP, Department of Gastroenterology and Nutrition, Paris, France, ²Hôpital Charles-Lemoyne, Université de Sherbrooke, Department of Gastroenterology et Hepatology, Montréal, Canada

S.-K. Park*¹, J. Y. Kim², D. S. Han³, K.-C. Huh⁴, C. K. Lee⁵, J. E. Shin⁶, J. H. Kim⁷, Y. S. Kim⁸, Y. Jung⁹, S.-A. Jung¹⁰, H. J. Song¹¹, H. J. Jang¹², D. I. Park¹

¹Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea, ²Kangbuk Samsung Hospital, Seoul, South Korea, ³Hanyang University Guri Hospital, Guri, South Korea, ⁴Konyang University, Daejeon, South Korea, ⁵Kyung Hee University, Seoul, South Korea, ⁶Dankook University, Chonan, South Korea, ⁷Dongguk University, Goyang, South Korea, ⁸Inje University, Seoul, South Korea, ⁹Soonchunhyang University, Chonan, South Korea, ¹⁰Ewha Woman’s University, Seoul, South Korea, ¹¹Jeju National University, Jeju, South Korea, ¹²Hallym University, Seoul, South Korea

S. Ben-Horin¹, U. Kopylov*², A. Lahat¹, D. Yablecovitch¹, S. Neuman¹, N. Levhar¹, E. Klang³, B. Avidan², B. Weiss⁴, H. Yanai⁵, I. Dotan⁵, Y. Chowers⁶, M. M. Amitai³, R. Eliakim²

¹Chaim Sheba Medical Centre, Gastroenterology, Ramat Gan, Israel, ²Sheba Medical Centre, Gastroenterology, Tel Hashomer, Israel, ³Sheba Medical Centre, Department of Diagnostic Imaging, Tel Hashomer, Israel, ⁴Edmond and Lily Safra Children’s Hospital, Gastroenterology, Tel Hashomer, Israel, ⁵Tel Aviv Medical Centre, IBD Centre, Department of Gastroenterology and Liver Diseases, Tel Aviv, Israel, ⁶Rambam Health Care Campus, Haifa, Israel; Bruce & Ruth Rappaport School of Medicine, Technion Israel Institute of Technology, Gastroenterology, Haifa, Israel

A. Sambuelli*¹, A. Gil¹, S. Negreira¹, S. Goncalves¹, S. Huernos¹, M. Bellicoso¹, P. Chavero¹, P. Tirado¹, A. Cabanne²

¹IBD Section - Hospital Bonorino Udaondo, Medicine, Buenos Aires, Argentina, ²Hospital Bonorino Udaondo, Pathology Department, Buenos Aires, Argentina

J. Langhorst*¹, J. Boone², A. Rueffer³, G. Dobos⁴, K. Beiderwellen⁵, T. Lauenstein⁶

¹University of Duisburg-Essen, Integrative Gastroenterology, Kliniken Essen-Mitte, Essen, Germany, ²Tech Lab Inc, Blacksburg, United States, ³Labor L+S, Enterosan, Bad Bocklet-Grossenbrach, Germany, ⁴University of Duisburg-Essen, Integrative and Internal Medicine, Essen, Germany, ⁵University of Duisburg-Essen, Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany, ⁶University Duisburg-Essen, Department of Diagnostic and Interventional Radiology and Neuroradiology, Essen, Germany

A. Buisson*^{1, 2}, E. Vazeille^{1, 2}, R. Minet Quinard³, M. Goutte^{1, 2}, D. Bouvier³, F. Goutorbe¹, B. Pereira⁴, N. Barnich², G. Bommelaer^{1, 2}

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, ³University Hospital G. Montpied, Biochemistry laboratory, Clermont-Ferrand, France, ⁴GM – Clermont-Ferrand University and Medical Centre, Biostatistics Unit, Clermont-Ferrand, France

C. Tutein Nolthenius*¹, S. Bipat¹, B. Mearadji¹, A. Spijkerboer¹, A. Montauban van Swijndregt², C. Ponsioen³, J. Stoker¹

¹Academic Medical Centre (AMC), Radiology, Amsterdam, Netherlands, ²OLVG, Radiology, Amsterdam, Netherlands, ³Academic Medical Centre (AMC), Gastroenterology, Amsterdam, Netherlands

K. Uchiyama*, T. Takagi, Y. Toyokawa, Y. Hotta, M. Tanaka, Y. Naito, Y. Itoh

Kyoto Prefectural University of Medicine, Molecular Gastroenterology and Hepatology, Kyoto, Japan

K. Szczeklik¹, R. Domagała-Rodacka², P. Mach³, D. Cibor*², J. Pytko-Polończyk¹, T. Rodacki⁴, D. Owczarek²

¹Jagiellonian University Medical College, Department of Integrated Dentistry, Kraków, Poland, ²Jagiellonian University Medical College, Department of Gastroenterology and Hepatology, Kraków, Poland, ³University of Duisburg-Essen, Department of Gynaecology and Obstetrics, Essen, Germany, ⁴Jagiellonian University Medical College, Department of Food Chemistry and Nutrition, Kraków, Poland

F. Civitelli*, M. Aloi, A. Dilillo, S. Oliva, L. Stronati, F. Viola, S. Cucchiara

Sapienza University, Paediatric Gastroenterology and Liver Unit, Rome, Italy

C. Borup*¹, S. Wildt², M. Damgaard³, J. Graff³, P. Nordine Bouchelouche⁴, D. Rainteau⁵, J. J. Rumessen⁶, L. K. Munck^{7, 8}

¹Hvidovre University Hospital, Dept. of Medical Gastroenterology, Hvidovre, Denmark, ²Køge University Hospital, Medical Department, Køge-4600, Denmark, ³Hvidovre University Hospital, Clinical Physiology and Nuclear Medicine, Hvidovre, Denmark, ⁴Køge University Hospital, Clinical Biochemistry, Køge, Denmark, ⁵Sorbonne University - UPMC, Clinical Biochemistry, Paris, France, ⁶Gentofte University Hospital, Research Unit, Gentofte, Denmark, ⁷Køge University Hospital, Medical Department, Køge, Denmark, ⁸University of Copenhagen, Department of Medical Physiology, Copenhagen, Denmark

M. Chaparro*¹, I. Guerra², L. Bujanda³, J. L. Cabriada⁴, C. Taxonera⁵, I. Marín-Jiménez⁶, P. M. Linares¹, M. Ramas¹, J. P. Gisbert¹

¹Hospital Universitario de La Princesa, IIS-IP and CIBERehd, Gastroenterology Unit, Madrid, Spain, ²Hospital Universitario de Fuenlabrada, Gastroenterology Unit, Madrid, Spain, ³Hospital de Donostia, Instituto Biodonostia, UPV/EHU and CIBEREHD, Gastroenterology Unit, Guipuzcoa, Spain, ⁴Hospital Galdakao, Gastroenterology Unit, Vizcaya, Spain, ⁵Hospital Clínico Universitario San Carlos and IdISSC, Gastroenterology Unit, Madrid, Spain, ⁶Hospital Gregorio Marañón and IiSGM, Gastroenterology Unit, Madrid, Spain

T. Lehto*, P. Hedberg, T. Vaskivuo

University of Oulu and Northern Finland Laboratory Centre Nordlab, Oulu, Finland

M. Esaki*¹, T. Matsumoto², S. Yamamoto³, T. Kinjo⁴, K. Kinjo⁵, K. Togashi⁶, K. Watanabe⁷, S. Nouda⁸, S. Ashizuka⁹, M. Nakamura¹⁰, Y. Suzuki¹¹

¹Kyushu University, Medicine and Clinical Science, Fukuoka, Japan, ²Iwate Medical University, Internal Medicine, Morioka, Japan, ³University of Miyazaki, Gastroenterology and Hepatology, Miyazaki, Japan, ⁴University of Ryukyus, Endoscopy, Okinawa, Japan, ⁵Fukuoka University Chikushi Hospital, Gastroenterology, Chikushino, Japan, ⁶Aizu Medical Centre, Fukushima Medical University, Coloproctology, Fukushima, Japan, ⁷Osaka City University, Gastroenterology, Osaka, Japan, ⁸Osaka Medical College, Second Department of Internal Medicine, Takatsuki, Japan, ⁹University of Miyazaki, Circulatory and Body Fluid Regulation, Miyazaki, Japan, ¹⁰Nagoya University Graduate School of Medicine, Gastroenterology and Hepatology, Nagoya, Japan, ¹¹Toho University, Sakura Medical Centre, Internal Medicine, Chiba, Japan

J. LI*¹, S. Zhang², H. Lv¹, H. Yang¹, Y. Li¹, Y. Li², J. Qian¹

¹Peking Union Medical College Hospital, Gastroenterology, Beijing, China, ²Peking Union Medical College Hospital, Rheumatology and Clinical Immunology, Beijing, China

I. Y. Liew¹, G. Chung-Faye¹, P. Dubois¹, L. Medcalf¹, A. Simpson², J. Hutton², C. Jordan², M. Hotopf², B. Hayee*¹

¹King’s College Hospital NHS Foundation Trust, Gastroenterology, London, United Kingdom, ²King’s College London, Department of Psychological Medicine, London, United Kingdom

Y. S. Choi*¹, W. J. Kim², J. K. Kim¹, K.-H. Song³, H.-J. Jung³

¹Daehang Hospital, Gastroenterology, Seoul, South Korea, ²Soonchunhyang University Hospital, Gastroenterology, Gumi-si, South Korea, ³Daehang Hospital, Surgery, Seoul, South Korea

T. Yamamoto*, T. Shimoyama, S. Umegae, K. Matsumoto

Yokkaichi Hazu Medical Centre, Inflammatory Bowel Disease Centre, Yokkaichi, Japan

D. Chaaro*¹, M. F. Guerra Veloz¹, M. B. Maldonado Perez¹, L. Castro Laria¹, F. Argüelles Arias¹, P. Hergueta Delgado¹, E. Rodriguez Zarco², A. Vallejo Benitez², F. J. Pellicer Bautista¹, A. Caunedo Álvarez¹

¹University Hospital Virgen Macarena, Gastroenterology and Hepatology Department, Seville, Spain, ²University Hospital Virgen Macarena, Pathology Department, Seville, Spain