1. Department Orthopaedics and Traumatology, UZ Brussel, Brussels, Belgium
2. Department Orthopaedics and Traumatology, AZ Damiaan, Ostend, Belgium
3. Department Orthopaedics and Traumatology, OLV Aalst, Aalst, Belgium
4. Department Radiology, UZ Brussel, Brussels, Belgium
5. Department Orthopaedics and Traumatology, AZ Delta, Roeselare, Belgium
6. Department Orthopaedics and Traumatology, AZ Maria Middelares, Ghent, Belgium