1. Chair of Public Health, Medical University of Lublin, 20-093 Lublin, Poland
2. Institute of Biological Basis of Animal Production, Subdepartment of General and Molecular Genetics, University of Life Sciences in Lublin, 20-950 Lublin, Poland
3. Chair of Medical Genetics, Department of Clinical Genetics, Medical University of Lublin, 20-080 Lublin, Poland