1. NILU − Norwegian Institute for Air Research, The Fram Centre, P.O. Box 6606 Langnes, 9296 Tromsø, Norway
2. Baltic
Sea Centre, Stockholm University, SE-106 91 Stockholm, Sweden
3. Department
of Environmental Science and Analytical Chemistry, Stockholm University, Svante Arrhenius väg 8, SE-106
91, Stockholm, Sweden
4. Akvaplan-niva AS, The Fram Centre, P.O. Box 6606 Langnes, 9296 Tromsø, Norway
5. Faculty
of Biosciences, Fisheries and Economics, UiT the Arctic University of Norway, Hansine Hansens veg 18, 9019 Tromsø, Norway
6. School of
Geography, Geology and the Environment, University of Leicester, Leicester LE1 7RH, United Kingdom
7. NILU − Norwegian Institute for Air Research, P.O. Box 100, 2027 Kjeller, Norway
8. Department
of Chemistry, University of Oslo, P.O. Box 1033, Blindern, 0315 Oslo, Norway