IBD-INFO Questionnaire: A Multicenter French Up-to-Date Survey of Patient Knowledge in Inflammatory Bowel Disease. Issue 5 (23rd April 2018) - Danion, Pauline; Buisson, Anthony; Roblin, Xavier; Mathieu, Nicolas; Charlois, Anne-Laure; Borgerding, Joshua N; Williet, Nicolas; Del Tedesco, Emilie; Flourié, Bernard; Nancey, Stéphane; Boschetti, Gilles