[1] Univ Western Sydney, Sch Nursing & Midwifery, Res Higher Degree Programs, Penrith, NSW 1797, Australia
[2] Univ Western Sydney, Sch Med, Med Educ Unit, Penrith, NSW 1797, Australia
[3] Univ Technol Sydney, Fac Nursing Midwifery & Hlth, Lindfield, NSW, Australia