Institution: | 1. Center for Medical Image Science and Visualization, CMIV, Link?ping University, , Link?ping, Sweden;2. Radiation Physics, Department of Medical and Health Sciences, Link?ping University, Department of Radiation Physics UHL, County Council of ?sterg?tland, , Link?ping, Sweden;3. Clinical Physiology, Department of Medical and Health Sciences, Link?ping University, , Link?ping, Sweden;4. Radiology, Department of Medical and Health Sciences, Link?ping University, Department of Radiology UHL, County Council of ?sterg?tland, , Link?ping, Sweden |