1. V.I. Il'ichev Pacific Oceanological Institute; FEB RAS; 43, Baltiiskaya Str. Vladivostok 690041 Russia
2. North Pacific Wildlife Consulting LLC; 12600 Elmore Road Anchorage Alaska 99516 U.S.A
3. Zoological Museum of Moscow University; 6, Bolshaya Nikitskaya Str. 125009 Moscow Russia
4. Kamchatka Branch of the Pacific Geographical Institute; FEB RAS; 6, Partizanskaya Str. Petropavlovsk-Kamchatsky 683000 Russia
5. Marine Mammal Laboratory; Alaska Fisheries Science Center, NMFS, NOAA; 7600 Sand Point Way NE Seattle Washington 98115 U.S.A