1. Department of Radiology, Medical University Innsbruck, Innsbruck, Austria
2. Jefferson Prostate Diagnostic and Kimmel Cancer Center, Department of Radiology and Urology, Thomas Jefferson University, Philadelphia, Pennsylvania
3. Department of Internal Medicine II, Medical University Innsbruck, Innsbruck, Austria
4. Division of Clinical and Functional Anatomy, Department of Anatomy, Histology and Embryology, Medical University Innsbruck, Innsbruck, Austria