Ana Depolo¹, Jasna Arapov², Sanda Skejić², Danijela Šantić³, Ana Cvitešić Kušan¹, Frederic Chaux¹, Silvije Davila⁴, Griša Močnik⁵, Estela Vicente⁶, Celia Alves⁷, Lara Bubola⁸ and Sanja Frka⁹, (1)Ruđer Bošković Institute, Division for Marine and Environmental Research, Zagreb, Croatia, (2)Institute of Oceanography and Fisheries, Laboratory of Plankton and Shellfish Toxicity, Split, Croatia, (3)Institute of Oceanography and Fisheries, Microbiology Laboratory, Split, Croatia, (4)Institute for Medical Research and Occupational Health, Zagreb, Croatia, (5)University of Nova Gorica, Center for Atmospheric Research, Ajdovščina, Slovenia, (6)University of Aveiro, Centre for Environmental and Marine Studies, Aveiro, Portugal, (7)University of Aveiro, Aveiro, Portugal, (8)Aerosol, Ljubljana, Slovenia, (9)Ruđer Bošković Institute, Division for Marine and Environmental Research,, Zagreb, Croatia