1. Department of Organic Food Quality and Food Culture; University of Kassel; D-37213 Witzenhausen Germany
2. Assoziation ökologischer Lebensmittelhersteller e.V.; D-97769 Bad Brückenau Germany
3. Department of Nutrition, Exercise and Sports, Faculty of Science; University of Copenhagen; DK-1958 Frederiksberg C Denmark
4. Forschungsring für Biologisch-Dynamische Wirtschaftsweise e.V.; D-64294 Darmstadt Germany
5. Estonian University of Life Sciences; EST-51014 Tartu Estonia
6. Consiglio per la Ricerca e la sperimentazione in Agricoltura - Centro di Ricerca per gli Alimenti e la Nutrizione; I-00178 Rome Italy
7. Division of Organic Food; Warsaw University of Life Sciences - SGGW; 02-787 Warsaw Poland
8. FiBL, Research Institute of Organic Agriculture; CH-5070 Frick Switzerland
9. UASM - University of Applied Sciences Münster; D-48149 Münster Germany
10. Institut Technique de l'Agriculture Biologique; F-75595 Paris Cedex 12 France