The research leading to these results has received funding from the European Commisison’s Seventh Framework Programme (FP/2007-2013 under grant agreement n.241724) and the Danish Council for Independent Research(project n. 10-079675). The authors wish to thank all of the interviewees for taking the time to talk to us and providing us with relevant and interesting information. The authors also wish to thank all the QUASER research and project partners and Dorte Sindbjerg Martinsen for their continuing collaboration in this research.