1 Centre for Digestive Endoscopy, Sorbonne University, Saint-Antoine Hospital, APHP, Paris, France.
2 Gastrointestinal Endoscopy Unit - Gastroenterology Department, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
3 Department of Hepatology, AP-HP, Hôpital Saint-Antoine, UPMC University, Paris, France.
4 Service d'hépatologie Clinique, Hôpital Beaujon, Clichy, France.