1. Centre for Nursing ResearchSir Charles Gairdner Hospital Nedlands WA Australia
2. School of Health ProfessionsMurdoch University Murdoch WA Australia
3. School of Nursing and MidwiferyEdith Cowan University Joondalup WA Australia
4. Department of Pain ManagementSir Charles Gairdner Hospital Nedlands WA Australia
5. Sir Charles Gairdner Hospital Nedlands WA Australia
6. School of NursingMidwifery and ParamedicineCurtin University Bentley WA Australia