1. Student Scientific Society of Clinical Genetics, Medical University of Lublin, Lublin, Poland
2. Department of Clinical Genetic, Mdedical Uniwersity of Lublin, Lublin, Poland
3. Department of Obstetrics and Pathology of Pregnancy, Medical University of Lublin, Lublin, Poland
4. Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University in Cracow, Cracow, Poland
5. Departmentof Clinical Genetic, Mdedical Uniwersity of Lublin, Lublin, Poland