1. Lecturer in Nursing Studies, Department of Nursing Studies, King's College London, Cornwall House, Waterloo Road, London SE1 8WA, UK,
2. Lecturer in Nursing Studies, Nightingale Institute, King's College London, Waterloo Bridge House, Waterloo Road, London SE1 8WA, UK,
3. Professor of Nursing Studies, Division of Health and Social Sciences, 103 Borough Road, South Bank University, London SE1 0AA, UK