1 Western Sydney University, School of Nursing and Midwifery, Locked Bag 1797, Penrith, NSW 2751, Australia. Electronic address: f.mcdermid@westernsydney.edu.au.
2 Western Sydney University, School of Nursing and Midwifery, Locked Bag 1797, Penrith, NSW 2751, Australia.
3 Faculty of Health & Life Sciences, Oxford Brookes University, Headington Campus, Headington Rd., Gipsy Ln., Oxford OX3 0BP, UK.
4 University of Technology Sydney, Faculty of Health, PO Box 123, Broadway, NSW 2007, Australia.