1. Centre for Nursing and Midwifery Research, St. John of God Murdoch Hospital, Murdoch, Western Australia, Australia.
2. School of Nursing and Midwifery, University of Notre Dame Australia, Fremantle, Western Australia, Australia.
3. School of Nursing and Midwifery, Edith Cowan University, Joondalup, Western Australia, Australia.
4. Emergency Department, St. John of God Murdoch Hospital, Murdoch, Western Australia, Australia.