1. Department of Surgery, Humboldt University Medical School, Campus Charité Mitte, Berlin, Germany
2. Department of Interventional Cardiology, Humboldt University Medical School, Campus Charité Mitte, Berlin, Germany
3. Department of Radiology, Humboldt University Medical School, Campus Charité Mitte, Berlin, Germany
4. Department of Neuroradiology, Humboldt University Medical School, Campus Charité Mitte, Berlin, Germany