for example in australia the early psychosis prevention and intervention centres eppic scheme was extended to young people to improve their access to mental health care the motivation for doing this came from survey findings that of people reporting mental disorders in australia have their first mental illhealth episode before the age of and before the age of and that a large treatment gap existed for this group to take an example from finland when survey information highlighted groups with a particularly high suicide rate suicide prevention was appropriately tailored towards these groups and successfully contributed to a reduced suicide rate investments in populationtargeted surveys are most fruitful if such surveys are used to promote access to appropriate treatment which necessitates investment and reflection around good referral and treatment pathways