1. Endoscopy Unit; Department of Gastroenterology; Barts Health NHS Trust; The Royal London Hospital; Whitechapel London
2. Takeda Pharmaceuticals International GmbH; Glattpark-Opfikon Switzerland
3. Abacus International; Bicester UK
4. Inserm U954 and Department of Gastroenterology; Nancy University Hospital; Université de Lorraine; Nancy France