1. Department of Biological Sciences in Aalesund, Norwegian University of Science and Technology, PO Box 1517, 6025 Aalesund, Norway
2. Department of Biology, Sea Lice Research Center, University of Bergen, PO Box 7803, 5020 Bergen, Norway
3. Institute of Marine Research, PO Box 1870, 5817 Bergen, Norway
4. PatoGen AS, PO Box 548, 6001 Aalesund, Norway