1. Wildlife Disease Laboratories, San Diego Zoo Institute for Conservation Research, San Diego Zoo Global, San Diego, CA (Bernard, Stalis, Varney)
2. Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN (Gerhold, Grunenwald)
3. Department of Veterinary Services, San Diego Zoo Safari Park, San Diego Zoo Global, Escondido, CA (Zuba)