1. Faculty of Natural Sciences and Mathematics Institute of Biology“Sts, Cyril and Methodius” University Skopje Macedonia
2. Department of Premedical Courses‐Biology Faculty of Medicine University of PrishtinaSt. Martyrs’ Boulevard n.n. Prishtina Kosovo Serbia
3. Faculty of Natural Sciences and Mathematics Institute of Chemistry“Ss. Cyril and Methodius” University Skopje Macedonia
4. Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
5. Department of Fundamental and Applied Physiology Russian National Research Medical University Moscow Russia
6. Physiology Institute of Theoretical Medicine Medical Faculty University of Augsburg Augsburg Germany