1. Hubbs-SeaWorld Research Institute, 3830 S Highway AIA, #4-181, Melbourne Beach, Florida 32951, USA
2. Florida Fish and Wildlife Conservation Commission, Marine Mammal Pathobiology Laboratory, 3700 54th Ave S, St. Petersburg, Florida 33711, USA
3. Marine Mammal Pathology Services, 19117 Bloomfield Road, Olney, Maryland 20832, USA
4. College of Veterinary Medicine, Cornell University, 602 Tower Road, Ithaca, New York 14853, USA