1. Institute of Epidemiology and Medical Biometry, Ulm University Ulm Germany
2. Institute of Statistics, Ulm University Ulm Germany
3. University Center of Orthopaedics and Traumatology, University Medicine Carl Gustav Carus Dresden, TU Dresden Dresden Germany
4. Division of Clinical Epidemiology & Aging Research German Cancer Research Center (DKFZ) Heidelberg Germany
5. Network Aging Research, University of Heidelberg Germany
6. Department of Epidemiology Gillings School of Global Public Health, University of North Carolina at Chapel Hill Chapel Hill NC USA
7. Department of Orthopedics, Division for Biochemistry of Joint and Connective Tissue Diseases Ulm University Ulm Germany
8. Centre for Trauma Research, Ulm University Ulm Germany