1. US Geological Survey, National Wildlife Health Center, Honolulu Field Station, Honolulu, HI 96850, USA
2. College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
3. Federal Rural University of Pernambuco, Department of Veterinary Medicine, Recife, Pernambuco 52171-900, Brazil
4. University of Hawaii, Pacific Biosciences Research Center, Biological Electron Microscope Facility, Honolulu, HI 96822, USA
5. IAP World Services (under contract to the US Geological Survey), Cape Canaveral, FL 32920, USA
6. Leeward Community College, Pearl City, HI 96782, USA