1. Health Economic Evaluation Unit, University Hospital of Tours, Tours, France
2. EA7505 Education, Ethics, Health Research Unit, University of Tours, Tours, France
3. EA6296 VALLOREM Loire Valley Management Research Unit, Loire Valley University Management School, University of Tours, Tours, France
4. Department of Gastroenterology, University Hospital of Bordeaux, Pessac, France
5. Department of Gastroenterology, University Hospital of Tours, Chambray-lès-Tours, France
6. Department of Gastroenterology, University Hospital of Poitiers, Poitiers, France
7. Department of Gastroenterology, Hospital of Blois, Blois, France
8. Department of Gastroenterology, University Hospital of Rouen, Rouen, France
9. Department of Gastroenterology, University Hospital of Clermont-Ferrand, Clermont-Ferrand, France
10. Department of Gastroenterology, University Hospital of Nantes, Nantes, France
11. Department of Gastroenterology, University Hospital of Angers, Angers, France