1. Barking Havering and Redbridge University Trust, Romford, England
2. Faculty of Medicine and Health, School of Public Health, University of Sydney, Sydney, Australia
3. Institute for Musculoskeletal Health, Sydney, Australia
4. School of Allied Health, University of Limerick, Limerick, Ireland
5. Ageing Research Centre, Health Research Institute, University of Limerick, Limerick, Ireland
6. Sports Spine Centre, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar