1. Department of Diagnostic and Interventional Radiology, Klinikum rechts der Isar; Technical University of Munich; Munich Germany
2. Institute for Nutritional Medicine, Klinikum rechts der Isar; Technical University of Munich; Munich Germany
3. Department of Diagnostic and Interventional Neuroradiology, Klinikum rechts der Isar; Technical University of Munich; Munich Germany
4. Philips Research Laboratory; Hamburg Germany