1. Department of Biology; Faculty of Arts and Science; Bülent Ecevit University; Zonguldak; Turkey
2. Electron and Confocal Microscope Laboratory; Faculty of Biology; Adam Mickiewicz University; Poznań; Poland
3. Department of Animal Physiology and Developmental Biology; Faculty of Biology; Adam Mickiewicz University; Poznań; Poland
4. Department of Agriculture; Forestry & Environment; University of Basilicata; Potenza; Italy