1. Joint Institute for the Study of the Atmosphere and Ocean, University of Washington, 3737 Brooklyn Avenue NE, Seattle, Washington 98195, USA
2. Department of Veterinary Medicine, College of Natural Science and Mathematics, University of Alaska Fairbanks, PO Box 757750, Fairbanks, Alaska 99775, USA
3. The Marine Mammal Center, 2000 Bunker Road, Sausalito, California 94965, USA
4. Alaska Native Tribal Health Consortium, 4000 Ambassador Drive, Anchorage, Alaska 99508, USA
5. California Academy of Sciences, 55 Music Concourse Drive, San Francisco, California 94118, USA