1. Department of Biomedical and Clinical Sciences (BKV), Division of Inflammation and Infection, Linkoping University, Linkoping, Sweden
2. Department of Gastroenterology, Linköping University Hospital, Linkoping, Sweden
3. School of Psychological Sciences, Macquarie University, North Ryde, Australia
4. Department of Internal Medicine, Ryhov Hospital Jönköping, Jönköping, Sweden
5. Department of Psychology, Stress Research Institute, Stockholm University, Stockholm, Sweden
6. Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden