[1] Goethe Univ, Agaples Markus Hosp, Dept Med 1, Frankfurt, Germany
[2] Ferring Int Ctr, St Prex, Switzerland
[3] Dubai Hlth Author, Dept Gastroenterol, Rashid Hosp, Dubai, U Arab Emirates
[4] Mater Hosp Brisbane, Dept Gastroenterol, Brisbane, Qld, Australia
[5] Yonsei Univ, Inst Gastroenterol, Coll Med, Seoul, South Korea
[6] Violicom Med Ltd, Aldermaston, England
[7] Univ & Ctr Hosp Univ CHU Liege, Hepatogastroenterol & Digest Oncol Dept, Liege, Belgium
[8] Univ Porto, Dept Biomed, Unit Pharmacol & Therapeut, Porto, Portugal
[9] Sao Joao Univ Hosp, Dept Gastroenterol, Porto, Portugal
[10] ICO Clin Amer, Inst Coloproctol, Medellin, Colombia
[11] Johannes Kepler Univ Linz, Kepler Univ Hosp, Med Fac, Dept Internal Med Gastroenterol & Hepatol, Linz, Austria
[12] McMaster Univ, Dept Med, Div Gastroenterol, Hamilton, ON, Canada
[13] McMaster Univ, Farncombe Family Digest Hlth Res Inst, Hamilton, ON, Canada
[14] Minist Interior Affairs & Adm, Clin Dept Internal Med & Gastroenterol Inflammato, Cent Clin Hosp, Warsaw, Poland
[15] Jan Kochanowski Univ, Coll Med, Kielce, Poland
[16] Oxford Univ Hosp NHS Fdn Trust, John Radcliffe Hosp, NIHR Oxford Biomed Res Ctr, Oxford, England