1. Environmental and Fisheries Sciences Division, Northwest Fisheries Science Center, National Marine Fisheries Service National Oceanic and Atmospheric Administration Seattle Washington
2. Department of Fish and Wildlife Sciences University of Idaho Moscow Idaho
3. Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service National Oceanic and Atmospheric Administration Seattle Washington
4. Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service National Oceanic and Atmospheric Administration Seattle Washington