1. U.S. Geological Survey, National Wildlife Health Center, Honolulu Field Station, P.O. Box 50167, Honolulu, Hawaii 96850, USA
2. National Marine Fisheries Service, Southwest Fisheries Science Center, Honolulu Laboratory, 2570 Dole St., Honolulu, Hawaii 96822, USA
3. University of Miami Division of Comparative Pathology, P.O. Box 016960R-46, Miami, Florida, USA
4. Department of Tropical Medicine, University of Hawaii, 3675 Kilauea Avenue, Honolulu, Hawaii, USA