1. IBD Clinical and Research Center, ISCARE IVF, a.s., Prague, Czech Republic
2. Department of Pediatrics, Charles University in Prague and Motol University Hospital, Prague, Czech Republic
3. Department of Pediatric Surgery, 2nd Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, Czech Republic
4. Department of Internal Medicine, University Hospital Plzeň, Plzeň, Czech Republic
5. Department of Internal Medicine, Thomayer University Hospital, Prague, Czech Republic
6. Private practice, Litovel, Czech Republic
7. Private practice, Prague, Czech Republic
8. Department of Internal Medicine, First Faculty of Medicine, Charles University and Military University Hospital, Prague, Czech Republic
9. Institute of Pharmacology, First Faculty of Medicine, Charles University, Prague, Czech Republic