1 Department of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010, Bern, Switzerland. bettina.serrallach@insel.ch.
2 Department of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010, Bern, Switzerland.
3 Department of Neuroradiology, Clinic for Radiology and Nuclear Medicine, University Hospital Basel, Petersgraben 4/Spitalstrasse 21, 4031, Basel, Switzerland.
5 CTU Bern, University of Bern, Mittelstrasse 43, 3012, Bern, Switzerland.
6 Graduate School for Health Sciences, University of Bern, Bern, Switzerland.
7 Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010, Bern, Switzerland.
8 Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010, Bern, Switzerland.
9 Department of Radiology, Netzwerk Radiologie, Kantonsspital St. Gallen, Rorschacher Strasse 95, 9007, St. Gallen, Switzerland.