1. Centre for Integrative Genetics (CIGENE); Department of Animal and Aquaculture Sciences (IHA); Norwegian University of Life Sciences (NMBU); PO Box 5003 Ås N-1430 Norway
2. Nofima; PO Box 5010 Ås N-1430 Norway
3. Institute of Chemistry of Molecular Recognition - CNR and Institute of Biochemistry and Clinical Biochemistry; Catholic University of Rome; Rome 00168 Italy
4. Institute of Marine Research; PO Box 6404 Tromsø N-9294 Norway