1. Department of Mathematical and Statistical Methods Poznań University of Life Sciences Poznań Poland
2. Department of Agroecology and Crop Production University of Agriculture in Kraków Kraków Poland
3. Department of Genetics, Plant Breeding and Seed Production Wrocław University of Environmental and Life Sciences Wrocław Poland
4. Department of Cattle Breeding National Research Institute of Animal Production Balice Poland
5. Department of Physiology, Plant Breeding and Seed Production University of Agriculture in Kraków Kraków Poland