1. Department of Pediatric and Adolescent Medicine, Klinikum Bamberg, Bamberg, Germany
2. Institute of Anatomy, University Erlangen, Erlangen, Germany
3. Department of Radiology, University Innsbruck, Österreich
4. Department of Radiology, University Erlangen, Erlangen, Germany
5. Department of Sportsmedicine, Department of Orthopedic and Trauma Surgery, Klinikum Bamberg, Bamberg, Germany
6. Department of Trauma Surgery, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, FRG
7. Department of Emergency Medicine, University of Colorado School of Medicine, Denver, USA