[1] New South Wales Minist Hlth, Div Populat & Publ Hlth, 73 Miller St, Sydney, NSW 2060, Australia
[2] UNSW Australia, Sch Publ Hlth & Community Med, High St, Kensington, NSW 2052, Australia
[3] Univ Sydney, Sch Publ Hlth, Charles Perkins Ctr, Johns Hopkins Dr, Camperdown, NSW 2006, Australia
[4] Justice Hlth & Forens Mental Hlth Network, POB 150, Matraville, NSW 2036, Australia
[5] Univ Western Sydney, Sch Med, Locked Bag 1797, Penrith, NSW 2751, Australia
[6] Univ Southern Queensland, Sch Nursing & Midwifery, West St, Toowoomba, Qld 4350, Australia
[7] Univ Adelaide, Sch Nursing, North Terrace Campus, Adelaide, SA 5005, Australia
[8] South Western Sydney Local Hlth Dist, Epidemiol Grp, Hlth People & Places Unit, Locked Bag 7279, Liverpool, NSW 1871, Australia