1. Department of Radiology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Department of Radiology, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
3. Department of Clinical Sciences, Lund University, Lund, Sweden
4. University of Copenhagen, Copenhagen University Hospital, Herlev & Gentofte, Herlev, Denmark