1. Department of Biotechnology, Faculty of Natural Sciences and Technology; NTNU Norwegian University of Science and Technology; Sem Saelands v. 6/8 N-7491 Trondheim Norway
2. NTNU Centre of Fisheries and Aquaculture; NTNU Norwegian University of Science and Technology; Trondheim Norway
3. Department of Cancer Research and Molecular Medicine, Faculty of Medicine; NTNU Norwegian University of Science and Technology; Trondheim Norway
4. Department of Bioscience; University of Oslo; Box 1066 Blindern Oslo 0316 Norway