1. Warwick Clinical Trials Unit, Division of Health Sciences, University of Warwick, Coventry, UK
2. Institute of Statistical Research and Training, University of Dhaka, Dhaka, Bangladesh
3. Leeds Institute of Health Sciences, University of Leeds, Leeds, UK
4. College of Medicine and Health, University of Exeter, Exeter, UK
5. General Medicine/Care of the Elderly, Royal Devon and Exeter Hospital, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
6. Elderly Care Department, Warwick Hospital, South Warwickshire NHS Foundation Trust, Warwick, UK
7. Gerontology Department, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
8. St Thomas’ Hospital, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
9. Falls and Syncope Service, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
10. Centre for Living, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, UK
11. Geriatric Medicine, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
12. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
13. Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK