1. Monterey Bay Aquarium Research Institute, 7700 Sandholdt Road, Moss Landing, CA 95039, USA.
2. Fisheries Program, Northwest Biological Research Center, Post Office Box 128, La Paz, Baja California Sur, Mexico.
3. Instituto del Mar del Perú, Esq. Gamarra y Valle S/N, Apartado 22 Callao, Perú.