Department of Radiology, University Hospital, LMU Munich, Munich, Germany. Department of Radiology, Hacettepe University, Ankara, Turkey. Section of Cardiovascular and Interventional Radiology, Department of Bioimaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria. Department of Radiology and Nuclear Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands. Department of Radiology, University Hospitals Leuven, Leuven, Belgium. Department of Radiology, Charité-University Medicine Berlin, Berlin, Germany. Radiology and Nuclear Medicine, University Hospital Basel, University of Basel, Basel, Switzerland. Radiology Department, Grenoble University Hospital, La Tronche, France. Department of Vascular and Interventional Radiology, University Hospital of Pisa, Pisa, Italy. Fondazione Policlinico Universitario A. Gemelli IRCCS, UOC di Radiologia, Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Roma, Italia. Abdominal Radiology Unit, Department of Radiology, Clínica Universidad de Navarra, Pamplona, Spain. Departments of Radiology and Nuclear Medicine, University of Magdeburg, Magdeburg, Germany. Department of Medicine II, University Hospital, LMU Munich, Munich, Germany. Department of Radiology, University Hospital, LMU Munich, Munich, Germany. max.seidensticker@med.uni-muenchen.de.