1. School of Global Environmental Sustainability, Colorado State University, Fort Collins, Colorado, USA
2. United Nations University-Institute for Advanced Studies of Sustainability (UNU-IAS), Tokyo, Japan
3. Department of Geography, Ghent University, Ghent, Belgium
4. Economics and Rural Development, Gembloux Agro-Bio Tech, University of Liège, Liège, Belgium
5. School of Agriculture, Food and Environment, Royal Agriculture University, Cirencester, Gloucestershire, UK
6. School of Food Science and Agri-food Supply Chain Management, Harper Adams University, Newport, Shropshire, UK