1. Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
2. Department of Gynecology and Obstetrics, Faculty of Medical Sciences, University of Warmia and Masuria, Olsztyn, Poland
3. Department of Reproduction and Gynecological Endocrinology, Faculty of Medicine, Medical University of Bialystok, Bialystok, Poland
4. Department of Biology and Pathology of Human Reproduction, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Bialystok, Poland