1. 1st Department of Medicine, University of Szeged, Szeged, Hungary
2. IBD Clinical and Research Centre, Prague, Czech Republic
3. 1st Medical Faculty, Charles University, Prague, Czech Republic
4. Department of Internal Medicine, Military Hospital, Charles University, Prague, Czech Republic
5. Institute of Pharmacology, 1st Medical Faculty, Charles University, Prague, Czech Republic
6. Department of Paediatrics, Faculty Hospital Motol, 2nd Medical Faculty, Charles University, Prague, Czech Republic
7. Institute of Medicine, Department of Gastroenterology, University of Debrecen, Clinical Center, Debrecen, Hungary
8. First Department of Internal Medicine, Semmelweis University, Budapest, Hungary
9. Second Department of Internal Medicine, Semmelweis University, Budapest, Hungary
10. Department of Medical Physics and Informatics, University of Szeged, Szeged, Hungary