Avon Orthopaedic Centre, Bristol, United Kingdom
De Dreef Van Zonnebos 13, Schilde, Belgium
Clinique St Joseph, Chambery, France
Clinique Générale, Annecy, France
University Central Hospital of Asturias, Oviedo, Spain
University Hospital of Aviles, Aviles, Spain
Musgrave Park Hospital, Belfast, United Kingdom
The DeClaire Knee & Orthopaedic Institute, Rochester Hills, Michigan, United States
Central Finland Central Hospital, Jyvaskyla, Finland
Kymenlaakso Central Hospital, Kotka, Finland
North Hampshire Hospital, Basingstoke, United Kingdom
CHU Lyon Sud, Pierre Benite, France
The Hillingdon Hospital NHS Trust, Middlesex, United Kingdom
Zuyderland Medisch Centrum Sittard-Geleen, Sittard, Netherlands
De Dreef Van Zonnebos 13, Schilde, Belgium
Clinique Générale, Annecy, France
Institut Calot, Berck, France
Aarhus University Hospital, Arhus, Denmark