1. Research Group Plant Cytogenomics, Central European Institute of Technology (CEITEC), Masaryk University, CZ-62500 Brno, Czech Republic
2. Department of Molecular Epigenetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, CZ-61265 Brno, Czech Republic
3. Institute of Botany, Slovak Academy of Sciences, SK-84523 Bratislava, Slovakia
4. Institute of Evolutionary Biology and Environmental Studies, University of Zurich, CH-8057 Zurich, Switzerland
5. University Osnabrück, D-49076 Osnabrück, Germany
6. Department of Botany, Faculty of Science, Charles University, CZ-12801 Prague, Czech Republic