Sharon Hamilton is the Director, Centre for Health and Social Evaluation (CHASE), University of Teesside. Parkside West, Middlesbrough, UK.
Susan McLaren is the Director, Centre for Leadership and Practice Innovation, Faculty of Health and Social Care, London South Bank University, London, UK
Anne Mulhall is an independent consultant at Norfolk UK.
Reprinted with Permission from BioMed Central
© 2007 Cruz-Correia et al; licensee BioMed Central Ltd.