1. Department of Gastroenterology and Institute for Digestive Research; Lithuanian University of Health Sciences; Kaunas Lithuania
2. Institute of Physiology and Pharmacology; Lithuanian University of Health Sciences; Kaunas Lithuania
3. Department of Biology, Faculty of Nature Sciences; Vytautas Magnus University; Kaunas Lithuania
4. Department of Clinical Microbiology 9301; Copenhagen University Hospital; Rigshospitalet; Copenhagen Denmark
5. Department of Pediatrics; Lithuanian University of Health Sciences; Kaunas Lithuania