1. Floy GmbH, 80335 Munich, Germany
2. UMM Universitätsmedizin Mannheim, 68305 Mannheim, Germany
3. University of Edinburgh, Midlothian EH25 9RG, UK
4. Department of Radiology, Ataturk Education and Research Hospital, Izmir Katip Celebi University, 35620 Izmir, Turkey