1. Departments of Orthopedics and Clinical Sciences, Lund University and Skåne University Hospital Malmö;
2. Department of Orthopedics, Skåne University Hospital Lund;
3. Centre for Advanced Reconstruction of Extremities and Department for Prosthetics and Orthotics, Sahlgrenska University Hospital, Gothenburg, and Institute of Clinical Sciences, Department of Orthopedics, Sahlgrenska Academy, Gothenburg, Sweden