S. Schreiber¹, J. Panés², E. Louis³, D. Holley⁴, ¹Department of Medicine I, University Hospital Schleswig-Holstein, Christian Albrechts University, Kiel, Germany, ²Department of Gastroenterology, Hospital Clínic of Barcelona, IDIBAPS, CIBERehd, Barcelona, Spain, ³Department of Gastroenterology, University Hospital of Liège (CHU), Liège University, Liège, Belgium, ⁴GfK HealthCare, London, United Kingdom

S. Reinisch*^{1, 2}, U. Hofmann³, C. Lichtenberger¹, S. Winter³, A. Eser¹, A. Teml^{1, 3}, C. Dejaco¹, G. Novacek¹, H. Vogelsang¹, E. Schaeffeler³, M. Schwab⁴, W. Reinisch^{1, 2}

¹Medical University of Vienna, Internal Medicine III, Vienna, Austria, ²McMaster University, Gastroenterology, Hamilton, Canada, ³Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Clinical Pharmacology, Stuttgart, Germany, ⁴University Hospital, Clinical Pharmacology, Tübingen, Germany

N. GadEl Hak, A.A. ElGeidie, M. El Hemaly, A. Monier, Mansoura University, Gastroenterology Surgical Center, Mansoura, Egypt

A. O'Toole¹, P. Walsh², D. Keegan¹, K. Byrne¹, G. Doherty¹, D. O'Donoghue¹, H. Mulcahy¹, ¹St Vincent's University Hospital, Centre for colorectal disease, Dublin, Ireland, ²National Cancer Registry Ireland, Cork, Cork, Ireland

Y. Tada*¹, S. Ishihara², H. Sonoyama², A. Oka², N. Fukuba², N. Oshima², I. Moriyama², T. Yuki³, K. Kawashima², Y. Kinoshita²

¹Shimane University School of Medicine, Internal Medicine II, Izumo, Japan, ²Shimane University School of Medicine, Internal Medicine II, Izumo, Japan, ³Shimane University School of Medicine, Gastrointestinal Endoscopy, Izumo, Japan

M. Cappello¹, I. Bravatà¹, A. Aiello¹, V. Calvaruso¹, D. Torres², A. Tuttolomondo², A. Licata¹, A. Craxì¹, C. Cammà¹, ¹University of Palermo, Gastroenterology Section, DiBiMis, Palermo, Italy, ²University of Palermo, Internal Medicine and Cardioangiology Section, DiBiMis, Palermo, Italy

E. Louis¹, A. Roughly², R.B. Thakkar³, M. Skup³, M. Yang³, P.M. Mulani³, J. Chao³, ¹University of Liège and CHU Liège, Liège, Belgium, ²Adelphi Real World, Manchester, United Kingdom, ³Abbott Laboratories, Abbott Park, IL, United States

R. Róka¹, K. Farkas¹, M. Rutka¹, I. Földesi¹, Z. Szepes¹, J. Tajti², Z. Simonka², S. Ábrahám², G. Lázár², A. Bálint¹, M. Szucs³, F. Nagy¹, R. Bor*¹, Á. Milassin¹, T. Molnár¹

¹University of Szeged, 1st Department of Medicine, Szeged, Hungary, ²University of Szeged, Department of Surgery, Szeged, Hungary, ³University of Szeged, Department of Medical Physics and Informatics, Szeged, Hungary

C. Pirard, E. Louis, C. Reenaers, CHU de Liege, Gastroenterologie, Liege, Belgium

C. Pernat¹, ¹University, Gastroenterology, Maribor, Slovenia

L. Samperi*^{1, 2}, P. Foti³, L. Puzzo⁴, V. Ficara², G. Riguccio², A. Ricciardolo², G. Inserra²

¹Ospedale Morgagni Pierantoni, Dipartimento di medicina specialistica - U.O. Gastroenterologia ed Endoscopia Digestiva, Forlì, Italy, ²University of Catania, Dipartimento di Scienze Mediche e Pediatriche, UO Medicina Interna, Catania, Italy, ³University of Catania, Dipartimento Specialità medico-chirurgiche, Sezione di Scienze Radiologiche, Catania, Italy, ⁴University of Catania, Dipartimento di Medicina Legale e Tossicologia, Sezione di Anatomia Patologica, Catania, Italy

I. Scoleri¹, L. Laterza¹, L. Larosa², A. Poscia³, E. Gaetani¹, V. Gerardi¹, G. Bruno¹, A. Amato⁴, L.M. Minordi², L. Bonomo², G. Cammarota¹, A. Gasbarrini¹, F. Scaldaferri¹, ¹Gastroenterology Division, Catholic University of the Sacred Hearth, Rome, Italy, ²Radiology Department, Catholic University of the Sacred Hearth, Rome, Italy, ³Institute of Hygiene, Catholic University of the Sacred Hearth, Rome, Italy, ⁴Institute of Anestesiology, Catholic University of the Sacred Hearth, Rome, Italy