1. Department of Orthopaedics and Traumatology, Clinicum, Faculty of MedicineUniversity of Helsinki Helsinki Finland
2. Department of Electronics and Communications EngineeringTampere University of Technology, BioMediTech, Institute of Biosciences and Medical Technology Tampere Finland
3. Department of Orthopaedics and TraumatologyHelsinki University Hospital Helsinki Finland
4. Department of Medical Physics, Imaging CentreTampere University Hospital Tampere Finland
5. Laboratory of Polymer Technology, Centre of Excellence in Functional Materials at Biological InterfacesÅbo Akademi University Turku Finland