1Department of Radiation Physics, and Department of Medical and Health Sciences and Center for Medical Image Science and Visualization (CMIV), Linköping Univeristy, Linköping, Sweden, 2Department of Biomedical Engineering and Center For Medical Image Science and Visualization (CMIV), Linköping University, Linköping, Sweden, 3Amra AB, Linköping, Sweden, 4Department of Radiology, and Department of Medical and Health Sciences, Linköping University, Norrköping, Sweden, 5Department of Medical and Health Sciences and Center for Medical Image Science and Visualization (CMIV), Linköping University, Linköping, Sweden, 6Center for Medical Image Science and Visualization (CMIV), Linköping University, Linköping, Sweden, 7Department of Medical and Health Sciences and Center for Medical Image Science and Visualization (CMIV), Linköping Univeristy, Linköping, Sweden, 8Department of Medical and Health Sciences and Department of Gasteroenterology and Hepatology, Linköping University, Linköping, Sweden