1. Trauma and Reconstructive Surgery, Professional Association Trauma Clinic Tübingen, Germany
2. Trauma, Hand and Reconstructive Surgery Clinic, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
3. Orthopaedic and Trauma Surgery, Community Clinics Koblenz Mayen, Koblenz, Germany
4. Orthopaedic Clinic and Polyclinic, University Clinics Rostock, Rostock, Germany
5. Orthopaedic and Trauma Surgery Centre, University Clinics Mannheim, Germany
6. Clinic for Surgery of the Musculoskeletal and Locomotor System of Lübeck University, Lübeck, Germany
7. Trauma Surgery and Orthopaedics, Professional Association Trauma Hospital Hamburg, Germany
8. Knowledge Media Institute, Tübingen, Germany
9. Media Competence Centre, Eberhard Karl University of Tübingen, Tübingen, Germany