1. Department of Environmental Engineering, Technical University of Denmark, Bygningstorvet B115, Kgs. Lyngby 2800, Denmark
2. Department of Environmental Geosciences, Environmental Science Research Network, and Research Platform Plastics in the Environment and Society (PLENTY), University of Vienna, Althanstrasse 14, Vienna 1090, Austria
3. School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom
4. Department of Marine Sciences, University of Gothenburg, Kristineberg 566, Fiskebäckskil 45178, Sweden
5. National Institute for Public Health and the Environment, Antonie van Leeuwenhoeklaan 9, Bilthoven 3721 MA, The Netherlands
6. Department of Chemical and Biochemical Engineering, Danish Polymer Centre, Technical University of Denmark, Søltofts Plads B227, Kgs. Lyngby 2800, Denmark
7. Department Biochemistry and Ecotoxicology, Federal Institute of Hydrology, Am Mainzer Tor 1, Koblenz 56068, Germany
8. Marine Ecology & Biodiversity, Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth PL1 3DH, United Kingdom
9. Ovivo Switzerland AG, Hauptstrasse 192, Aesch 4147, Switzerland
10. Department of Water Management and Water Protection, North Rhine Westphalia State Agency for Nature, Environment and Consumer Protection, Postfach 101052, Recklinghausen 45610, Germany
11. Institute of Hydrochemistry, Chair of Analytical Chemistry and Water Chemistry, Technical University of Munich, Marchioninistr. 17, Munich 81377, Germany
12. Norwegian Institute for Water Research (NIVA), Oslo 0349, Norway
13. Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim 7491, Norway