1. Department of Radiology, Section of Neuroradiology, Malmö University Hospital, University of Lund, Sweden,
2. Department of Paediatrics, Malmö University Hospital, University of Lund, Sweden
3. Department of Radiology, Section of Neuroradiology, Malmö University Hospital, University of Lund, Sweden
4. Department of Radiology, Division of Neuroradiology, University of Michigan Health Systems, Ann Arbor, Michigan