1. Bradford Institute for Health Research; Academic Unit of Elderly Care and Rehabilitation; Temple Bank House, Bradford Royal Infirmary Duckworth Lane Bradford UK BD9 6RJ
2. Bradford Teaching Hospitals NHS Foundation Trust; Academic Unit of Elderly Care and Rehabilitation; Bradford Institute for Health Research Temple Bank House, Bradford Royal Infirmary Bradford UK BD9 6RJ
3. University of Leeds; Leeds Institute of Health Sciences; Charles Thackrah Building 101 Clarendon Road Leeds UK LS2 9LJ
4. University of York; Department of Health Sciences; York UK YO10 5DD
5. Bradford Royal Infirmary; Bradford Institute for Health Research; Duckworth Lane Bradford W. Yorkshire UK BD9 6RJ
6. University of Leeds; Academic Unit of Elderly Care and Rehabilitation; Bradford Institute for Health Research Bradford Royal Infirmary Bradford UK BD9 6RJ