1. Leibniz Institute for Baltic Sea Research Warnemünde (IOW), Seestraße 15, 18119 Rostock, Germany
2. Robert Koch-Institute (RKI), Centre for Biological Threats and Special Pathogens, Highly Pathogenic Microorganisms, Seestraße 10, 13353 Berlin, Germany
3. Marine Research Institute, Klaipeda University, H. Manto 84, LT-92294 Klaipeda, Lithuania