1. Wageningen Seed Laboratory, Laboratory of Plant Physiology, Wageningen University, 6708 PB Wageningen, The Netherlands
2. Umeå Plant Science Center, Department of Plant Physiology, Umeå University, SE-901 87 Umeå, Sweden
3. Department of Molecular Plant Physiology, Utrecht University, 3584 CH Utrecht, The Netherlands
4. BU Bioscience, Plant Research International, 6700 AP Wageningen, The Netherlands
5. Centre for BioSystems Genomics, 6700 AB Wageningen, The Netherlands
6. Netherlands Proteomics Centre, 3508 TB Utrecht, The Netherlands