1. Chair of Aquaculture, Estonian University of Life Sciences, Tartu, Estonia
2. Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia
3. Department of Natural Sciences, Varaždin City Museum, Varaždin, Croatia
4. Université de Poitiers, Poitiers, France
5. University of Kragujevac, Kragujevac, Serbia
6. University of Oradea, Oradea, Romania