1. Department of Planning, Aalborg University, A. C. Meyers Vænge 15, 2450 Copenhagen, Denmark
2. United States Department of Agriculture, Agricultural Research Service, Southeast Area, 840 Oval Drive, Raleigh, North Carolina 27606, United States
3. National Socio-Environmental Synthesis Center (SESYNC), 1 Park Place, Annapolis, Maryland 21401, United States
4. , Department of Food Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark