C. Parker¹, R. Perowne¹, D. Nylander², S. Panter¹, ¹South Tyneside District Hospital, Gastroenterology, South Shields, United Kingdom, ²Royal Victoria Infirmary, United Kingdom

J. Attali*, P. Seksik, A. Bourrier, I. Nion-Larmurier, L. Beaugerie, H. Sokol, J. Cosnes

APHP Saint-Antoine, Service de Gastroentérologie et nutrition, Paris, France

L. Stoehr¹, B. Bokemeyer², C. Buening³, A. Dignass⁴, U. Helwig⁵, I. Koenig⁶, C. Maaser⁷, M. Mross⁸, J. Mudter⁹, T. Ochsenkuehn¹⁰, B. Siegmund¹¹, N. Teich¹², A. Sturm¹³, A. Schirbel¹, ¹Charite, Hepatology and Gastroenterology Campus Virchow Klinikum, Berlin, Germany, ²Gastroenterology Practice Minden, Gastroenterology, Minden, Germany, ³Charite, Hepatology and Gastroenterology Campus Mitte, Berlin, Germany, ⁴Markus Krankenhaus, Internal Medicine, Frankfurt/Main, Germany, ⁵Gastroenterology Practice Oldenburg, Gastroenterology, Oldenburg, Germany, ⁶Gastroenterology Practice Bautzen, Gastroenterology, Bautzen, Germany, ⁷Klinikum Lueneburg, Internal Medicine and Gastroenterology, Lueneburg, Germany, ⁸Gastroenterology Practice Berlin, Gastroenterology, Berlin, Germany, ⁹University Erlangen, Medizinische Klinik I, Erlangen, Germany, ¹⁰Universität München, Klinikum Großhadern, Medizinische Klinik II, Muenchen, Germany, ¹¹Charite, Hepatology and Gastroenterology Campus Benjamin Franklin, Berlin, Germany, ¹²Gastroenterology Practice Leipzig, Gastroenterology, Leipzig, Germany, ¹³Krankenhaus Waldfriede, Gastroenterology, Berlin, Germany

B.D. Lovasz¹, M. Mandel¹, L.S. Kiss¹, P.A. Golovics¹, Z. Vegh¹, K. Farkas², T. Molnar², A. Balint², A. Mohas¹, B.K. Szilagyi¹, S.A. Fekete¹, P. Lakatos¹, ¹Semmelweis University, 1st Department of Medicine, Budapest, Hungary, ²Szeged, 1st Department of Medicine, Szeged, Hungary

L. Cantoro*¹, C. Papi², M. Cicala³, A. Kohn⁴

¹Azienda Ospedaliera San Camillo-Forlanini, Gastroenterology, Rome, Italy, ²A.O.San Filippo Neri, Gastroenterology and Hepatology Unit, Rome, Italy, ³Campus Bio Medico, Gastroenterology, Rome, Italy, ⁴Azienda Ospedaliera San Camillo-Forlanini , Gastroenterology, Roma, Italy

J.-S. Byeon, S.H. Park, J.S. Soh, S.-K. Yang, S.-J. Myung, K.-J. Kim, B.D. Ye, K.W. Jung, D.-H. Yang, J.-H. Kim, H.-S. Lee, H.J. Lee, J.-B. Kim, S.-K. Park, University of Ulsan College of Medicine, Asan Medical Center, Gastroenterology, Seoul, South Korea

A. Esch¹, A. Bourrier², P. Seksik², I. Nion-Larmurier², H. Sokol², L. Beaugerie², J. Cosnes², ¹Hôpital Cochin, Gastro-Entérologie, Paris, France, ²Hôpital Saint Antoine, Gastro-Entérologie, Paris, France

S. Ben-Shachar*^{1, 2}, Y. Finezilber³, H. Yanai^{4, 5}, H. Elad⁴, H. Tulchinsky^{6, 7}, I. Dotan^{4, 5}

¹Tel Aviv Medical Center, Genetic Institute, Tel Aviv, Israel, ²Tel Aviv university, Department of Pediatrics, Sackler Faculty of Medicine, Tel Aviv, Israel, ³Meir Sapir hospital, Medicine, Kfar Saba , Israel, ⁴Tel Aviv Medical Center, IBD Center, Department of Gastroenterology and Liver Diseases, Tel Aviv, Israel, ⁵Tel Aviv University, Department of Medicine,Sackler Faculty of Medicine, Tel Aviv, Israel, ⁶Tel Aviv Medical Center, Proctology Unit, Department of Surgery, Tel Aviv, Israel, ⁷Tel Aviv University, Department of Surgery, Sackler School of Medicine, Tel Aviv, Israel

F.M. Phillips¹, S. Samadian², ¹St George's Hospital, Medicine, London, United Kingdom, ²St Helier's Hospital, Elderly Care Medicine, London, United Kingdom

C. Greis¹, N. Mayer², P. Guder³, P. Hendy⁴, D. Burger⁴, N. Martin⁴, L. Young⁴, G. Holtmann⁴, ¹University of Duisburg-Essen, Germany, ²University of Tuebingen, Germany, ³LMU Munich, Germany, ⁴Princess Alexandra Hospital, Department of Gastroenterology and Hepatology, Brisbane, Australia

P.L. Lakatos¹, N. Sipeki², I. Altorjay², G.L. Norman³, Z. Shums³, G. Veres⁴, P. Antal-Szalmas⁵, M. Papp*²

¹Semmelweis University, 1st Department of Medicine, Budapest, Hungary, ²University of Debrecen, Clinical Center, Institute of Internal Medicine, Department of Gastroenterology, Debrecen, Hungary, ³Inova Diagnostics, Inc., San Diego, United States, ⁴Semmelweis University, 1st Department of Pediatrics, Budapest, Hungary, ⁵University of Debrecen, Clinical Center, Department of Laboratory Medicine, Debrecen, Hungary

E. Saliakellis, L. Fotis, S. Sider, N. Shah, M. Elawad, K. Lindley, F. Kiparissi, Great Ormond Street Hospital, Paediatric Gastroenterology, London, United Kingdom