Gastroenterology and Endoscopy Unit, Cochin Hospital, Assistance Publique-H(ō)pitaux de Paris, Université Paris Descartes, Sorbone Paris Cité, 75014 Paris, France
Pathology Department, Cochin Hospital, Assistance Publique-H(ō)pitaux de Paris, Université Paris Descartes, Sorbone Paris Cité, 75014 Paris France