1. Department of Comparative Anatomy Institute of Zoology and Biomedical Research Faculty of Biology Jagiellonian University Cracow Poland
2. Department of Zoology Faculty of Biology and Biotechnology University of Warmia and Mazury in Olsztyn Olsztyn Poland
3. Albrecht Daniel Thaer Institute of Agricultural and Horticultural Sciences, Faculty of Life Sciences Humboldt University of Berlin Berlin Germany