1. Partnerships Resource Centre, Rotterdam School of Management, Erasmus University Burgemeester Oudlaan 50, 3062 PA, Rotterdam, The Netherlands
2. PBL Netherlands Environmental Assessment Agency, Bezuidenhoutseweg 30, 2594 AV, The Hague, The Netherlands
3. Knowledge Technology and Innovation Group, Wageningen University and Research, Hollandseweg 1, 6706 KN, Wageningen, The Netherlands