“…Complex policy issues require methods that enable research synthesis and utilise systems thinking (Lobb and Colditz, 2013;Milne et al, 2014). Micro-simulation modelling has been used to represent systems and processes in health care and to test their functioning for policy purposes (Glied and Tilipman, 2010;Ringel et al, 2010;Rutter et al, 2011;Zucchelli and Rice, 2012).…”