1. Department of Plant Molecular Biology, University of Lausanne, CH-1015 Lausanne, Switzerland
2. Division of Glycoscience, School of Biotechnology, Royal Institute of Technology (KTH), AlbaNova University Centre, 106 91 Stockholm, Sweden
3. Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden
4. Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany AS CR and Faculty of Science of Palacký University, CZ-78371 Olomouc, Czech Republic
5. Center for Plant Molecular Biology, Plant Physiology, University of Tübingen, 72074 Tübingen, Germany
6. Centre for Organismal Studies, University of Heidelberg, 69120 Heidelberg, Germany