1. Trauma Center Unfallkrankenhaus Linz; University Teaching Hospital of the Paracelsus Medical University Salzburg; Linz Austria
2. Department of Orthopaedic and Trauma Surgery; “Sapienza” University of Rome; Piazzale Aldo Moro 5 Rome Italy
3. Private Practice Klagenfurt; Radetzkystraße 50 Klagenfurt am Wörthersee Austria
4. Private Practice Linz; Lederergasse 32 Linz Austria
5. Department of Plastic and Reconstructive Surgery; St. John of God Hospital (Barmherzige Brüder) Salzburg, University Teaching Hospital of the Paracelsus Medical University Salzburg; Linz Austria