Table 1.

Number of guidelines per layer

Layer	Number of guidelines
Purpose Infrastructure Stakeholder	3 2 2
Programme in Action     ➣Collecting information     ➣Combining information     ➣Valuing information     ➣Taking Action	21     ➣13     ➣3     ➣2     ➣3
Supporting the Programme     ➣Construction Support     ➣Political Support	12     ➣5     ➣7
Documenting the Programme     ➣Rules and Regulations (R&R)     ➣Learning Environment     ➣Domain Mapping	12     ➣6     ➣2     ➣4
Improving the programme     ➣R&D     ➣Change Management	7     ➣3     ➣4
Justifying the Programme     ➣Scientific research     ➣External Review     ➣Efficiency     ➣Acceptability	10     ➣2     ➣2     ➣2     ➣4