1. Graduate School of Education; University of Bristol; 35 Berkeley Square Bristol BS8 1JA United Kingdom
2. The Cairns Institute; James Cook University; P.O. Box 6811 Cairns Qld 4870 Australia
3. Education & Competence Studies; Wageningen University; Hollandseweg 1, 6706 KN Wageningen The Netherlands
4. Faculty of Education; University of Gothenburg; Sweden