1. Department of Analytical Biochemistry, Institute of Biochemistry and Medical Chemistry; University of Pecs; Pécs H-7624 Hungary
2. Adaptive Neuroethology, Department of Experimental Zoology Balaton Limnological Institute; MTA Centre for Ecological Research; Tihany H-8237 Hungary
3. Department of Hydrozoology, Balaton Limnological Institute; MTA Centre for Ecological Research; Tihany H-8237 Hungary
4. Limnoecology Research Group, Department of Limnology; University of Pannonia; Veszprém H-8200 Hungary