1. Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
2. Department of Microbiology, Center for Translational Microbiome Research, CTMR, Tumour and Cell Biology (MTC), Karolinska Institutet, Science for Life Laboratory, Solna, Sweden
3. Department of Gastroenterology, Dermatovenereology and Rheumatology, Karolinska University Hospital, Gastroenterology unit, Stockholm, Sweden
4. School of Medicine and Public Health, University of Newcastle, New South Wales, Australia
5. Division of Family Medicine, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
6. Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Michael E.DeBakey Veterans Affairs Medical Center, Houston, TX, USA
7. Stress Research Institute, Stockholm University, Stockholm, Sweden
8. Department of Psychology, Macquarie University, New South Wales, Australia
9. Department of Medical Sciences, Uppsala University, Uppsala, Sweden