1. Department of Plant Systems Biology Flanders Institute for Biotechnology (VIB) Technologiepark 927 9052 Gent Belgium
2. Department of Plant Biotechnology and Bioinformatics Ghent University Technologiepark 927 9052 Gent Belgium
3. Department of Biochemistry and the DOE Great Lakes Bioenergy Research Center University of Wisconsin Madison WI 53706 USA
4. Istituto di Genomica Applicata 33100 Udine Italy
5. Dipartimento di Scienze Agrarie e Ambientali Università di Udine 33100 Udine Italy
6. INRA – Unité Amélioration Génétique et Physiologie forestières Olivet France