1. Center for Medical Image Science and Visualization, CMIV, Linköping University, Linköping;
2. Radiology, Department of Medical and Health Sciences, Linköping University, Department of Radiology, UHL, County Council of Östergötland, Linköping;
3. Clinical Physiology, Department of Medical and Health Sciences, Linköping University, Department of Clinical Physiology, UHL, County Council of Östergötland, Linköping;
4. Neurology, Department of Clinical and Experimental Medicine, Linköping University, Division of Neurology, UHL, LiM, County Council of Östergötland, Linköping;
5. Radiation Physics, Department of Medical and Health Sciences, Linköping University, Department of Radiation Physics, UHL, County Council of Östergötland, Linköping;
6. Department of Radiology, Oncology and Radiation Science/Radiology, Uppsala University, Uppsala, Sweden