1. Departement of Neuroradiology; Geneva University Hospitals; Geneva Switzerland
2. Laboratory for Hydraulic Machines (LMH); École Polytechnique Fédérale de Lausanne (EPFL); Lausanne Switzerland
3. Division of Neuroradiology, Department of Medical Imaging; Toronto Western Hospital, University Health Network; Toronto Ontario Canada
4. Division of Radiology; Geneva University Hospitals, University of Geneva; Geneva Switzerland
5. Division of Neurosurgery, Department of Surgery; Toronto Western Hospital, University Health Network; Toronto Ontario Canada