1. Department of Radiology, St. Joseph Hospital, Dresden, Germany
2. Pediatric Radiology, University Hospital Carl Gustav Carus, Dresden, Germany
3. Bayer Vital GmbH, Pharmaceuticals, Medical Affairs Radiology, Leverkusen, Germany
4. Bayer AG, Radiology, Berlin, Germany
5. University Medical School of Saarland, Dept of Gynecology, Obstetrics and Reproductive Medicine, 66421 Homburg/Saar, Germany