“…The cost of Australian acute healthcare is approximately $8 billion each year, rising annually well over the inflation rate, making government health budgets potentially unaffordable within 20 years [1]. A major issue for the health system is increasing demand and overcrowding of emergency departments (ED) [2], leading to access block (when patients in ED that require admission to hospital have a total ED time greater than 8 h) [3], congesting not only the ED but overall system operation, and impacting on patients and staff [4,5]. In this context, public health services are undergoing considerable change including reshaping their models of care delivery and, in some cases, redesigning or redesignating existing services and building new facilities.…”