1. Department of Diagnostic Radiology, National Cancer Center Hospital, Tokyo, Japan
2. Department of Radiology, Neuroradiology, and Minimal-Invasive Therapy at Munich Klinik, Bogenhausen, Germany
3. Department of Radiology, Division of Vascular and Interventional Radiology, Medical College of Wisconsin, Milwaukee, WI, United States
4. Section Interventional Radiology, Radiology und Nuclear Medicine, University Hospital Basel, University of Basel, Basel, Switzerland