1 Clinic of Diagnostic and Interventional Radiology, Marburg University Hospital, Baldingerstrasse, 35043, Marburg, Germany. mahnken@med.uni-marburg.de.
2 Department of Vascular and Interventional Radiology, University Hospital of Vigo, Vigo, Spain.
3 Department of Radiological Sciences, 'Policlinico Umberto I'University Hospital, Rome, Italy.
4 Department of Radiology, Maastricht University Medical Center, Maastricht, The Netherlands.
5 Clinical Institute of Radiology, University Medical Centre Ljubljana, Zaloska 7, 1000, Ljubljana, Slovenia.
6 Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000, Ljubljana, Slovenia.
7 Department of Diagnostic and Interventional Radiology, Johannes Gutenberg-University Medical Center, 55131, Mainz, Germany.