It has also been used in health-care research, including to examine the complexity of care in the British National Health Service,[31] the nature of knowledge in health care,[32] and the fight against HIV/AIDs in South Africa.[33] In 2017 the RAND Corporation used the Cynefin framework in a discussion of theories and models of decision making.[34] The European Commission has published a field guide to use Cynefin as a "guide to navigate crisis".[35]