1. Department of Applied Physics Faculty of Science and Forestry, University of Eastern Finland Kuopio Finland
2. Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu Oulu Finland
3. Medical Research Center, University of Oulu and Oulu University Hospital Oulu Finland
4. Department of Diagnostic Radiology Oulu University Hospital Oulu Finland
5. Helsinki University Hospital Helsinki Finland
6. Center for Advanced Imaging Innovation and Research (CAI2R) and Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine New York New York USA
7. Centre for Advanced Imaging, University of Queensland Brisbane Australia