1. Laboratory of Biomechanical Orthopedics Ecole Polytechnique Fédérale de Lausanne Lausanne Switzerland
2. Department of Diagnostic and Interventional Radiology, Lausanne University Hospital University of Lausanne Lausanne Switzerland
3. Service of Orthopedics and Traumatology, Lausanne University Hospital, University of Lausanne Lausanne Switzerland
4. ARTORG Center for Biomedical Engineering Research University of Bern Bern Switzerland