1. Plant Developmental Biology, Wageningen University and Research Centre, Wageningen 6708PB, The Netherlands
2. Bioinformatics Group, Wageningen University and Research Centre, Wageningen 6708PB, The Netherlands
3. Applied Bioinformatics, Bioscience, Plant Research International, Wageningen University and Research Centre, Wageningen 6708PB, The Netherlands
4. Theoretical Biology and Bioinformatics, Utrecht University, Utrecht 3584 CH, The Netherlands
5. Molecular Genetics, Department of Biology, Utrecht University, Utrecht 3584 CH, The Netherlands
6. Biosystematics Group, Wageningen University and Research Centre, 6708PB Wageningen, The Netherlands
7. Laboratory of Biochemistry, Graduate School of Bioagricultural Science, Nagoya University, Nagoya 464-8601, Japan
8. Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, Umeå SE-901 83, Sweden
9. Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht 3584 CT, The Netherlands
10. Hartwig Medical Foundation, 1098 XH Amsterdam, The Netherlands
11. Department of Medical Genetics, University Medical Center Utrecht, Utrecht 3584 CX, The Netherlands
12. Institute of Biotechnology, University of Helsinki, Helsinki 00014, Finland
13. Department of Plant Biology, University of Georgia, Athens, Georgia 30602-7271