1. Orthopaedic Robotics Laboratory, Department of Orthopaedic Surgery, Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
2. Department of Trauma Surgery, Orthopaedic Surgery and Sports Traumatology, Witten/Herdecke University, Cologne Merheim Medical Centre, Cologne, Germany
3. Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
4. Orthopaedics and Traumatology Sports Center (CETE), Department of Orthopaedics and Traumatology, Paulista School of Medicine (EPM), Federal University of São Paulo, São Paulo, Brazil
5. Department of Trauma Surgery, Orthopaedic Surgery and Sports Traumatology, Witten/Herdecke University, Sana Medical Centre Cologne, Cologne, Germany