1. Division for Biochemistry of Joint and Connective Tissue Diseases; Department of Orthopedics; University of Ulm; Ulm Germany
2. Department of Orthopedics and Trauma Surgery; German Armed Forces Hospital Ulm; Ulm Germany
3. Department of Orthopedics; University of Ulm; Ulm Germany
4. Institute of Orthopedic Research and Biomechanics; University of Ulm; Ulm Germany