1. Department of Nursing and Midwifery, Faculty of Health & Life Sciences University of the West of England Bristol UK
2. Bournemouth University, School of Health and Social Care Lansdowne Campus Bournemouth UK
3. School of Nursing and Midwifery University of Brighton Westlain House Brighton UK
4. The Hospital Research Unit, Horsens and School of Public Health Aarhus University Horsens/Aarhus Denmark
5. Department of Public Health and Caring Sciences Uppsala University Uppsala Sweden