1. Department of Orthopedic Surgery, Ordensklinikum Linz Barmherzige Schwestern, Vinzenzgruppe Center of Orthopedic Excellence, Teaching Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria
2. Medical Faculty, Johannes Kepler University Linz, Altenbergerstraße 69, 4040 Linz, Austria
3. Sportortho Rosenheim, 83022 Rosenheim, Germany