1 Amarant vzw, Zebrastraat 30-001, B-9000 Ghent, Belgium; Royal Conservatoire Antwerp, Artesis Plantijn University College Antwerp, 2000 Antwerp, Belgium.
2 Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Plant Systems Biology, 9052 Ghent, Belgium. Electronic address: ive.desmet@psb.vib-ugent.be.