1. Norwegian Radiation Protection Authority, FRAM–High North Research Centre on Climate and the Environment, Tromsø, Norway
2. CERAD Centre of Excellence in Environmental Radioactivity, Ås, Norway
3. Department for Arctic and Marine Biology, UiT The Arctic University of Norway, Tromsø, Norway
4. Norwegian Institute for Water Research, Oslo, Norway
5. Department of Research, Norwegian Radiation Protection Authority, Østerås, Norway
6. SINTEF Materials and Chemistry, Environmental Technology, Trondheim, Norway
7. Department for Environmental Sciences, Faculty of Environmental Science & Technology, Norwegian University of Life Sciences (NMBU), Ås, Norway