1. Department of Applied Mathematics and Statistics, Center for Stock Assessment Research; University of California; Santa Cruz CA 95064
2. Affiliated with Southwest Fisheries Science Center, Fisheries Ecology Division, National Marine Fisheries Service; National Oceanic and Atmospheric Administration; 110 Shaffer Rd Santa Cruz CA 95060
3. Fisheries Ecology Division, Southwest Fisheries Science Center, Fisheries Ecology Division, National Marine Fisheries Service; National Oceanic and Atmospheric Administration; 110 Shaffer Rd Santa Cruz CA 95060