1. Department of Orthopaedic Surgery, Joint Research, OLVG Amsterdam, Amsterdam, the Netherlands
2. Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, the Netherlands
3. Department of Orthopaedic Surgery, St Antonius Hospital Nieuwegein, the Netherlands
4. Department of Radiology, Isala, Zwolle, the Netherlands
5. Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash-Cabrini Department of Musculoskeletal Health and Clinical Epidemiology, Cabrini Health, Melbourne, Victoria, Australia
6. Department of Medicine, University of Toronto, Toronto, Ontario, Canada
7. Menzies Health Institute Queensland, Griffith University, Brisbane & Gold Coast, Queensland, Australia
8. Department of Orthopaedic Surgery, Leiden University Medical Center, Leiden, the Netherlands