1. Faculty of Humanities and Natural Sciences, Department of Ecology, University of Prešov, Prešov, Slovakia
2. Centre 3B, Babeș-Bolyai University, Cluj-Napoca, Romania
3. National Museum of Natural History, National Academy of Sciences of Ukraine, Kyiv, Ukraine
4. BioAqua Pro Ltd., Debrecen, Hungary
5. Ornithological Society (SOR)/BirdLife Romania Regional Office, Cluj-Napoca, Romania
6. Institute of Interdisciplinary Research in Bio-Nano-Sciences, Babeș-Bolyai University, Cluj-Napoca, Romania