1. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany.
2. University of Bremen, NW 2 Leobener Str., 28359 Bremen, Germany.
3. UiT The Arctic University of Norway, Tromsø, Norway.
4. The Centre for Marine Aquaculture, Nofima, Tromsø, Norway.