1. Department of Orthopaedic Surgery National University Hospital of Singapore 1E, Kent Ridge Road 119228 Singapore Singapore
2. Department of Orthopaedic Surgery Yong Loo Lin School of Medicine National University of Singapore Singapore Singapore
3. Fortius Clinic (FIFA Medical Centre of Excellence) 17 Fitzhardinge Street W1H 6EQ London UK
4. Department of Orthopaedics Naestved Hospital Ringstedgade 61 4700 Naestved Denmark
5. Department of Bioengineering Imperial College London SW7 2AZ London UK