1. University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, P.O. Box 757220, Fairbanks, AK 99775, USA.
2. Alaska SeaLife Center, 301 Railway Avenue, P.O. Box 1329, Seward, AK 99664, USA.
3. U.S. Fish and Wildlife Service, Region 7, 1011 East Tudor Road, Anchorage, AK 99503, USA.