1. Gastroenterology and School of Surgery, Lariboisière Hospital, APHP, Paris 7 University, Paris, France
2. Inserm Unit 965, Paris, France
3. Laboratory of Hematology Hemostasis and Thrombosis Lariboisière Hospital, APHP, Paris 7 University and Institut des Vaisseaux et du Sang, Paris, France
4. Department of Pathology, Lariboisière Hospital, APHP, Paris 7 University, Paris, France
5. Department of Hepatology and Gastroenterology Rouen University Hospital, Rouen, France
6. Department of Gastroenterology, Cochin Hospital, APHP, Paris 5 University, Paris, France
7. Department of Gastroenterology, Louis Mourier Hospital, APHP, Paris 7 University, Paris, France