1 Department of Orthopaedics and Traumatology, UZ Ghent, Corneel Heymanslaan 10, 9000 Ghent, Belgium.
2 Department of Orthopaedics and Traumatology, AZ Maria Middelares, Buitenring Sint-Denijs 30, 9000 Ghent, Belgium.
3 Department of Orthopaedics and Traumatology, AZ Maria Middelares, Buitenring Sint-Denijs 30, 9000 Ghent, Belgium; Department of Orthopaedics and Traumatology, UZ Brussel (Vrije Universiteit Brussel), Laarbeeklaan 101, 1090 Brussels, Belgium.
4 Department of Orthopaedics and Traumatology, AZ Maria Middelares, Buitenring Sint-Denijs 30, 9000 Ghent, Belgium; Department of Orthopaedics and Traumatology, UZ Brussel (Vrije Universiteit Brussel), Laarbeeklaan 101, 1090 Brussels, Belgium. Electronic address: jean@goubau.eu.