Affiliations

• ¹ Department of Gastroenterology, Chelsea and Westminster NHS Foundation Trust, London, UK.
• ² Department of Emergency, University Hospital Careggi, Florence, Italy.
• ³ Division of Gastroenterology and Hepatology, Triemli Hospital, Zurich, Switzerland.
• ⁴ Department of Gastroenterology, Hôpital Saint Louis, Sorbonne Paris-Cité University, Paris, France.
• ⁵ Department of Gastroenterology, University Hospital Santiago De Compostela, A Coruña, Spain.
• ⁶ Department of Transplantation Medicine, Division of Cancer Medicine, Surgery and Transplantation, Oslo University Hospital, Oslo, Norway Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
• ⁷ Gastro Unit, Hvidovre University Hospital, Hvidovre, and Danish Centre for eHealth & Epidemiology, North Zealand University Hospital, Copenhagen, Denmark.
• ⁸ Department of Gastroenterology, University Hospital Ghent , Ghent, Belgium.
• ⁹ Department of Gastroenterology and Hepatology, University Medical Center Rotterdam, Rotterdam, The Netherlands.
• ¹⁰ Academic Unit of Ophthalmology, School of Clinical Sciences, Bristol, and National Institute for Health Research, Moorfield's Eye Hospital and UCL Institute of Ophthalmology, London, UK.
• ¹¹ Clinic for Visceral Surgery and Medicine, University Hospital Bern, Bern, Switzerland.
• ¹² Department of Gastroenterology, University Hospital Heraklion, Heraklion, Greece.
• ¹³ Department of Medicine I, Semmelweis University, Budapest, Hungary.
• ¹⁴ Imperial College Healthcare NHS Trust, St Mary's Hospital, London, UK.
• ¹⁵ Department of Internal Medicine, Hartmannspital Vienna, Vienna, Austria.
• ¹⁶ Department of Gastroenterology, Addenbrooke's Hospital, Cambridge, UK.
• ¹⁷ Medizinische Klinik I, Klinikum Braunschweig, Germany.
• ¹⁸ Comprehensive Center of Inflammation Medicine, University Hospital Schleswig Holstein, Lubeck, Germany.
• ¹⁹ Department of Internal Medicine, University Hospital Innsbruck, Innsbruck, Austria.
• ²⁰ Service de Gastroentérologie CHU de Bicêtre, Université Paris Sud, Paris, France.