1. Fisheries Division, School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, 11120 Glacier Highway, Juneau, AK 99801, USA.
2. National Research Institute of Fisheries Science, Fukuura, Kanazawa, Yokohama 236-8648, Japan.
3. Department of Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati College of Medicine, P.O. Box 0524, Cincinnati, OH 45267-0524, USA.
4. A.V. Zhirmunsky Institute of Marine Biology, Russian Academy of Sciences, Vladivostok, 69041, Russia.