[1] Queensland Univ Technol, Ctr Clin Nursing, Brisbane, Qld 4001, Australia
[2] Royal Brisbane & Womens Hosp, Brisbane, Qld 4001, Australia
[3] James Cook Univ, Townsville, Qld 4811, Australia
[4] Townsville Hlth Serv Dist, Townsville, Qld, Australia
[5] St Vincents & Mater Hlth Sydney, Sydney, NSW, Australia
[6] Australian Catholic Univ, Sydney, NSW, Australia
[7] Curtin Univ Technol, Perth, WA, Australia
[8] Univ Queensland, Sch Nursing & Midwifery, Brisbane, Qld, Australia
[9] Queensland Univ Technol, Australian Nurse Practitioner Project, Brisbane, Qld 4001, Australia