1. Pacific Islands Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 1845 Wasp Boulevard, No. 176, Honolulu, Hawaii 96818, USA
2. Harting Biological Consulting, 8898 Sandy Creek Lane, Bozeman, Montana 59715, USA
3. The Marine Mammal Center, 2000 Bunker Road, Fort Cronkhite, Sausalito, California 94965, USA