1. Department of Neuroradiology, University Medical Center Schleswig Holstein Lübeck Campus, Lübeck, Germany
2. Institute of System Motor Science, University Medical Center Schleswig Holstein Lübeck Campus, Lübeck, Germany
3. Department of Pediatric Surgery, Wilhelmstift Catholic Children's Hospital Hamburg, Hamburg, Germany
4. Department of Orthopedics and Trauma Surgery, BG Trauma Hospital Hamburg, Hamburg, Germany
5. Department of Pediatric Surgery, University Hospital Schleswig-Holstein, Lübeck, Germany