1. Ocean Associates, Inc., Arlington, VA; on contract to the Marine Mammal & Turtle Division, Southwest Fisheries Science Center, NOAA‐Fisheries La Jolla California
2. Marine Mammal & Turtle Division, Southwest Fisheries Science Center, NOAA‐Fisheries La Jolla California
3. Kamchatka Branch of the Pacific Geographical Institute, Russian Academy of Sciences Petropavlovsk‐Kamchatsky Kamchatka Russia
4. CetaEcoResearch Lacey Washington
5. Departamento de Ciencias Marinas y Costeras Universidad Autónoma de Baja California Sur La Paz B.C. Mexico
6. Chukotka Governor and Government Office Anadyr, Chukotka Russia
7. Marine Mammal Laboratory Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanographic and Atmospheric Administration Seattle Washington