1. Laboratory of Environmental Toxicology and Applied Ecology; Ghent University; Coupure Links 653 Ghent 9000 Belgium
2. Research Unit of Environmental and Evolutionary Biology; University of Namur; Rue de Bruxelles 61 Namur 5000 Belgium
3. Laboratory of Protistology & Aquatic Ecology; Ghent University; Krijgslaan 281-S8 Ghent 9000 Belgium