1. Department of Orthopedics, Trauma and Plastic Surgery, University Hospital Carl Gustav Carus, TU Dresden, Fetscherstr. 74, Dresden 01307, Germany
2. Department of Radiology, University Hospital Carl Gustav Carus, TU Dresden, Fetscherstr. 74, Dresden 01307, Germany
3. Faculty of Medicine, TU Dresden, Helmholtzstr.10, Dresden 01069, Germany