1. a Stryker Osteosynthesis, Dr. Homer Stryker Strasse 1, CH-2545 Selzach, Switzerland; Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden. joerg.arnoldi@stryker.com
2. b Stryker Osteosynthesis, Dr. Homer Stryker Strasse 1, CH-2545 Selzach, Switzerland
3. c Stryker Osteosynthesis, Dr. Homer Stryker Strasse 1, CH-2545 Selzach, Switzerland; Department of Mechanical Engineering, Brunel University, Uxbridge UB8 3PH, UK
4. d Stryker Osteosynthesis, Kiel, Germany
5. e Stryker Osteosynthesis, Kiel, Germany; Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden