1. Department of Physiology and Cell Biology, Leibniz Institute for Plant Genetics and Crop Plant Research, 06466 Gatersleben, Germany
2. Department of Environmental Ecology, Faculty of Natural Sciences, Comenius University in Bratislava, 84215 Bratislava, Slovakia
3. Department of Plant Physiology, Plant Science and Biodiversity Center, Slovak Academy of Sciences, 84523 Bratislava, Slovakia