1. Evolutionary and Population Biology Institute for Biodiversity and Ecosystem Dynamics (IBED) University of Amsterdam Amsterdam The Netherlands
2. Departamento de Agricultura y Alimentación Universidad de la Rioja Logroño Spain
3. Department of Entomology Federal University of Viçosa Viçosa Brazil
4. Rijk Zwaan Breeding B.V. De Lier The Netherlands
5. Koppert Biological Systems Berkel en Rodenrijs The Netherlands