1. University of Alaska Fairbanks, College of Fisheries and Ocean Sciences 17101 Point Lena Loop Road, Juneau Alaska 99801 U.S.A.
2. Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas La Paz B.C.S. 23096 Mexico
3. School of Aquatic and Fishery Sciences University of Washington, Box 355020 Washington 98105 U.S.A.
4. College of Fisheries and Ocean Sciences University of Alaska Fairbanks, 17101 Point Lena Loop Road Juneau Alaska 99801 U.S.A.
5. Universidad Autónoma de Baja California, Facultad de Ciencias Marinas Ensenada B.C.S. 22860 Mexico
6. Southwest Fisheries Science Center National Marine Fisheries Service, NOAA, 34500 Highway 1 Monterey California 93940 U.S.A.