1. Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Vienna, Austria.
2. Tropical Diseases Research Program, School of Veterinary Medicine, National University, Heredia, Costa Rica.
3. National Animal Health Service (SENASA), Ministry of Agriculture and Livestock (MAG), Barreal, Costa Rica.
4. Institute of Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria.
5. Pathology Department, School of Veterinary Medicine, National University, Heredia, Costa Rica.
6. Wildlife Conservation Society, Wildlife Health Program, Bronx, New York.