1. Faculty of Chemistry , Biotechnology and Food Science (KBM), , Chr. M. Falsensvei 18, Biotechnology Building, 1432 Ås , Norway
2. Norwegian University of Life Sciences (NMBU) , Biotechnology and Food Science (KBM), , Chr. M. Falsensvei 18, Biotechnology Building, 1432 Ås , Norway
3. Institute of Marine Research , Dept. Tromso, P.O. Box 6606, Stakkevollan, 9296 Tromsø , Norway
4. Akvaplan-niva , Framsenteret, P.O. Box 6606, Stakkevollan, 9296 Tromsø , Norway
5. Faculty of Chemistry , Biotechnology and Food Science (KBM), Norwegian University of Life Sciences (NMBU), Chr. M. Falsensvei 18, Biotechnology Building, 1432 Ås , Norway