1. Universitätsklinik für Unfallchirurgie, Anichstrasse 35, A-6020 Innsbruck, Austria.
2. LKH Salzburg, Müllner Haupt-strasse 48, A-5020 Salzburg, Austria.
3. Department of Trauma and Sport Traumatology, University of Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria.
4. 854 Pueblo Drive, Franklin Lakes, New Jersey 07417, USA.
5. Department of Traumatology, University of Vienna Medical School, AKH Wien, Währinger Gürtel 18-20, A-1090 Wien, Austria.
6. Altis-Center for Sportsurgery, Moorweg 30, A-9330 Althofen, Austria.