Simplified diagrammatic representation of potential threats to legislation (our initial framework). Threats in bold font are the ones which were most prominent and relevant in our test case study of legislation banning smoking in vehicles carrying children.
This figure has been highly simplified and for illustrative purposes has displayed the potential threats in a linear sequence.
Wong et al. BMC Public Health 2011 11:222 doi:10.1186/1471-2458-11-222