1. Anne Mandy, PhD, MSc, BSc(Hons), is Associate Professor, Centre for Health Research, University of Brighton, Eastbourne Campus, Sussex, England; am86@brighton.ac.uk
2. Tara Sims, PhD, MSc, BA, is Senior Lecturer, School of Health Professions, University of Brighton, Eastbourne Campus, Sussex, England
3. Graham Stew, DPhil, MA(Ed), is Principal Lecturer, School of Health Professions, University of Brighton, Eastbourne Campus, Sussex, England
4. Dominic Onions, BSc(Hons), is Research Officer, Centre for Health Research, University of Brighton, Eastbourne Campus, Sussex, England