1. Staff Nurse, Nursing Development Unit, Whiteabbey Hospital, Newtownabbey, County Antrim, Northern Ireland,
2. Lecturer in Nursing, School of Health Sciences, University of Ulster at Coleraine, Cromore Road, Co Londonderry, Northern Ireland, BT52 1SA,
3. Research Assistant, Nursing Research Unit, University of Ulster at Coleraine, Northern Ireland