1. Örebro University, Department of Biomedicine, School of Health and Medical Sciences, 70182 Örebro, Sweden
2. University of Glasgow, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, Glasgow G128TA, UK
3. Örebro University, Division of Gastroenterology, Department of Medicine, Örebro University Hospital, School of Health and Medical Sciences, 70185 Örebro, Sweden
4. Örebro University Hospital, Department of Microbiology and Immunology, 70185 Örebro, Sweden