1. Department of Cardiology, University Hospital of Wales, Cardiff, UK
2. Department of Orthopaedics, Leiden University Medical Center, Leiden, Netherlands
3. Department of Orthopaedics, Vejle Hospital, South Danish University, Vejle, Denmark
4. Centre of Postgraduate Medical Education, MSWiA Central Clinical Hospital, Warsaw, Poland
5. Healthcare Products Regulatory Authority, Earlsfort Terrace, Dublin 2, Ireland
6. Health Technology Unit B6, Directorate General for Health (DG SANTE), European Commission, Brussels, Belgium