T. Shepherd¹, E. Cronin¹, K. Greveson¹, O. Epstein¹, G. Erian¹, F. Jaboli¹, E. Despott¹, M. Hamilton¹, C. Murray¹, ¹Royal Free Hospital, Gastroenterology, London, United Kingdom

J. Kirchgesner*^{1, 2}, F. Carrat^{2, 3}, J. Cosnes¹, M. Schwarzinger⁴, L. Beaugerie¹, For the BERENICE Study Group¹

¹Hopital Saint Antoine, Department of Gastroenterology, Paris, France, ²INSERM, University Paris 06 , UMR S 1136 , Paris, France, ³Hopital Saint Antoine, Department of Public Health, Paris, France, ⁴THEN, Translational Health Economics Network, Paris, France

M. Dubinsky¹, J. Rosh², W.A. Faubion³, J. Kierkus⁴, F. Ruemmele⁵, J. Hyams⁶, S. Eichner⁷, Y. Li⁷, A. Lazar⁸, R.B. Thakkar⁷, ¹Cedars-Sinai Medical Center, Pediatric Inflammatory Bowel Disease Program, Los Angeles, United States, ²Goryeb Children's Hospital/Atlantic Health, Pediatric Gastroenterology, Morristown, United States, ³Mayo Clinic, Gastroenterology, Rochester, United States, ⁴The Children's Memorial Health Institute, Gastroenterology, Hepatology and Feeding Disorders, Warsaw, Poland, ⁵Universite Sorbonne Paris-Cite, Hospital Necker-Enfants Malades, APHP, Paris, France, ⁶Connecticut Children's Medical Center, Division of Digestive Diseases, Hartford, United States, ⁷AbbVie Inc, GPRD, North Chicago, United States, ⁸AbbVie Deutschland GmbH & Co, KG, GPRD, Ludwigshafen, Germany

T. Tandiari¹, G. Eslick², R. Leong¹, ¹Concord Repatriation General Hospital, Gastroenterology and Liver Services, Sydney, Australia, ²The Whiteley-Martin Research Centre, Gastroenterology, Sydney, Australia

A. Pituch-Zdanowska, A. Banaszkiewicz, P. Albrecht*

Medical University of Warsaw, Dept. of Pediatric Gastroenterology and Nutrition, Warsaw, Poland

V. Prieto^1,2, A. Fernandez¹, A. Velasco¹, C. Piñero¹, J. Umaña¹, Y. Jamanca¹, A. Mora¹, A. Rodriguez¹, ¹Hospital Clínico de Salamanca, Gastroenterology, Salamanca, Spain, ²Hospital Clínico de Salamanca, Medicine, Salamanca, Spain

C.K. Lee¹, H.-S. Kim², H.-J. Kim¹, W. Moon³, K.M. Lee⁴, J.-S. Koo⁵, G.S. Seo⁶, S.J. Park⁷, B.D. Ye⁸, C.H. Choi⁹, S.-A. Jung¹⁰, Y.S. Kim¹¹, J.P. Im¹², E.S. Kim¹³, S.N. Hong¹⁴, ¹Kyung Hee University, South Korea, ²Yonsei University Wonju College of Medicine, South Korea, ³Kosin University, South Korea, ⁴The Catholic University of Korea, South Korea, ⁵Korea University, South Korea, ⁶Wonkwang University, South Korea, ⁷Yonsei University, South Korea, ⁸University of Ulsan, South Korea, ⁹Chung-Ang University, South Korea, ¹⁰Ewha Womans University, South Korea, ¹¹Inje University, South Korea, ¹²Seoul National University, South Korea, ¹³Keimyung University, South Korea, ¹⁴Konkuk University, South Korea

C. Herrera*, V. Robles, C. Jimenez, E. Navarro, F. Casellas, N. Borruel

Unitat Atenció Crohn-Colitis. Hospital Universitari Vall d'Hebron, Digestive System Research Unit, Barcelona, Spain

N. Carman, R. Muir, P. Lewindon, Royal Children's Hospital, Gastroenterology Department, Brisbane, Australia

M.J. Carrillo¹, R. Beltrán¹, B. Maldonado¹, C. Duarte¹, L. Castro¹, F. Argüelles¹, A. Benitez¹, A. Caunedo¹, F. Pellicer¹, J.M. Herrerias¹, ¹Hospital Virgen Macarena, Sevilla, Spain

A. Buisson*^{1, 2}, C. Hordonneau³, M. Goutte^{1, 2}, J. Scanzi¹, F. Goutorbe¹, T. Klotz³, L. Boyer³, B. Pereira⁴, 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 Estaing, Radiology Department, Clermont-Ferrand, France, ⁴GM – Clermont-Ferrand University and Medical Center, , Biostatistics Unit , Clermont-Ferrand, France

C. Pratico', N. Capozzi, F. Rizzello, A. Calafiore, R. Brugnera, G. Straforini, G. Spuri Fornarini, M. Campieri, C. Calabrese, P. Gionchetti, University of Bologna, Internal Medicine, Bologna, Italy