Affiliation: | (1) Alaska Department of Fish and Game, 333 Raspberry Road, Anchorage, AK 99518, USA;(2) National Marine Mammal Laboratory, 7600 Sand Point Way NE Bldg 4, Seattle, WA 98115-6349, USA;(3) Department of Statistics and Actuarial Science, University of Iowa, 241 Schaeffer Hall, Iowa City, IA 52242, USA |