1. Division of Nursing, Faculty of Medicine and Health Sciences
2. Institute for Work, Health and Organisations, University of Nottingham, International House, Jubilee Campus, Wollaton Road, Nottingham, NG8 1BB, UK.
3. School of Life Sciences, Northumbria University, Northumberland Building Newcastle upon Tyne, NE1 8ST
4. Accident and Emergency Dept, City Hospital, Dudley Road, Birmingham, West Midlands, B18 7QH