aGastroenterology Unit, North Hospital, AP-HM, Clinical Interface Unit CRN2M, UMR 7286, Aix-Marseille University
bGastroenterology Unit, Military Hospital of Laveran, Marseille
cPhysiological Digestive Unit, Edouard Herriot Hospital, Hospices Civils de Lyon, Lyon
dMedical and Surgical Unit of Coloproctology, Bagatelle Hospital, Talence
eGastroenterology Unit, Pontchaillou Hospital, Rennes 1 University
fPhysiological Digestive Unit, Rennes
gAP-HP, Gastroenterology Unit, Louis Mourier Hospital, Colombes
hDenis Diderot–Paris 7 University
iProctological Unit, Hospital Group Paris Saint-Joseph, Léopold Bellan Institute
jGastroenterology Unit Ambroise Paré Hospital
kGastroenterology Service, Avicenne Hospital, Paris
lGastroenterological Office, Beausoleil
mPhysiological Digestive Unit, Charles Nicolle Hospital, Rouen
nSurgical Digestive Clinic, CHU Nantes, Nantes
oGastroenterology Unit, Nice, France
Correspondence to Veronique Vitton, MD, Gastroenterology Unit, North Hospital, AP-HM, Clinical Interface Unit CRN2M, UMR 7286, Aix-Marseille University, Marseille 13915, France Tel: +33 491 965 598; fax: +33 491 965 108; e-mail: [email protected]