1. a National Institute of Aquatic Resources (DTU-Aqua) , Charlottenlund Slot, Charlottenlund , Denmark
2. b Environmental Physics , Institute of Biogeochemistry and Pollutant Dynamics , ETH Zürich , Zürich , Switzerland
3. c Marine Institute , Galway , Ireland
4. d Wageningen Institute for Marine Resources and Ecosystem Studies (IMARES) , IJmuiden , The Netherlands
5. e Faroe Marine Research Institute , Nóatún , Tórshavn , Faroe Islands
6. f Institute of Marine Research , Bergen , Norway