C. de Pope, B. Clark, Bernd Rodemann, Kerstin Flath, P. du Cheyron, R. Baylers, Ghita Cordsen Nielsen, T. Goral, Jerzy H. Czembor, M. S. Hovmoeller, Poul Lassen, L. N. Joergensen, Margot Jahn, Claude Maumené, Jens Grønbech Hansen, Aarhus University [Aarhus], Rothamsted Research, National Institute of Agricultural Botany (NIAB), Julius Kühn-Institut (JKI), Plant Breeding and Acclimatization Institute, ARVALIS - Institut du végétal [Paris], BIOlogie et GEstion des Risques en agriculture (BIOGER), AgroParisTech-Institut National de la Recherche Agronomique (INRA), Danish Agricultural Advisory Service, and Institut National de la Recherche Agronomique (INRA)-AgroParisTech