Royal Bournemouth Hospital, Bournemouth, United Kingdom
Knie Praxis Prof. Dr. Tibesku, Straubing, Germany
Zuyderland Medical Park, Sittard, Netherlands
Hospital Unviersitario Son Espases, Palma de Mallorca, Spain
Hospital El Angel, S.A., Malaga, Spain
Universitätsklinik Balgrist, Zurich, Switzerland
HELIOS ENDO-Klinik Hamburg, Hamburg, Germany
AZ Monica Antwerpen, Antwerpen, Belgium
Uniklinik Balgrist, Zürich, Switzerland
CHU de Clermont-Ferrand, Clermont-Ferrand, France
Centre Hospitalier régional Universitaire de Montpellier, Montpellier, France
Stichting Research Orthopedie & Reinier de Graaf Groep, Delft, Netherlands