1. Department of Gastroenterology and Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
2. Center for Medical Image Science and Visualization (CMIV); Linköping University; Linköping Sweden
3. Oppenheimer Center for Neurobiology of Stress; Division of Digestive Diseases; Department of Medicine; David Geffen School of Medicine at UCLA; Los Angeles CA USA
4. Department of Radiation Physics; Department of Medical and Health Sciences; Linköping University; Linköping Sweden
5. Department of Radiology; Department of Medical and Health Sciences; Linköping University; Linköping Sweden
6. Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
7. Emotra AB; Gothenburg Sweden
8. Department of Medical and Health Sciences; Linköping University; Linköping Sweden