1. SF Tyson is Senior Research Fellow, Centre for Rehabilitation and Human Performance Research, University of Salford
2. M Hanley, MBChB, MRCP, is Consultant Geriatrician, Stockport NHS Trust, Stockport, United Kingdom
3. J Chillala, MBChB, MRCP, is Consultant Geriatrician, Trafford NHS Trust, Manchester, United Kingdom
4. A Selley, MSc, MCSP, is Senior Physiotherapist, North Manchester PCT, Manchester, United Kingdom
5. RC Tallis, MA, MRCP, FRCP, F MedSci, DLitt, is Professor of Geriatric Medicine, University of Manchester, Manchester, United Kingdom