1. Hanes Veterinary Medical Center, North Carolina Zoo, 4401 Zoo Parkway, Asheboro, NC 27205, USA
2. Department of Clinical Sciences, North Carolina State University, College of Veterinary Medicine, 1060 William Moore Drive, Raleigh, NC 27607, USA
3. Environmental Medicine Consortium, North Carolina State University, 1060 William Moore Drive, Raleigh, NC 27607, USA
4. Department of Animal Sciences, North Carolina State University, Box 7621, Raleigh, NC 27695, USA
5. Department of Clinical Sciences, Center for Marine Sciences and Technology, North Carolina State University, College of Veterinary Medicine, 303 College Circle, Morehead City, NC 28557, USA