aIBD Clinical and Research Centre, ISCARE
bInstitute of Pharmacology, First Faculty of Medicine, Charles University, Prague, Czech Republic
cEPICOM, European Crohn & Colitis Organisation
dGastroenterology Unit, EPIMAD Registry, Amiens University Hospital, University of Picardie Jules Verne, Amiens
eGastroenterology Unit, Inserm U954, Nancy University and Hospital, Nancy
fPublic Health, Epidemiology and Economic Health, EPIMAD Registry, Maison Régionale de la Recherche Clinique, Centre Hospitalier Universitaire Régional
gLille Inflammation Research International Center LIRIC – UMR 995 Inserm/Université Lille 2/CHRU de Lille; Equipe IBD and Environmental factors: Epidemiology and Functional Analyses, Lille University, Lille, France
hDepartment of Emergency, Unit of Gastroenterology, AOU Careggi, Florence, Italy
iFirst Department of Medicine, Semmelweis University, Budapest, Hungary
Correspondence to Dana Duricova, MD, IBD Clinical and Research Centre, ISCARE, Jankovcova 1569/2c, Prague 7, 170 00 Prague, Czech Republic Tel: +420 234 770 299; fax: +420 234 770 300; e-mail: [email protected]