1 Department of Orthopaedic Surgery and Department of Biomedical Engineering, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA and Instituto Universitario del Hospital Italiano de Buenos Aires, Bs. As., Argentina.
2 Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, USA.
3 Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, OH, USA Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, USA.