1. Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, 4467 TAMU, College Station, Texas 77843, USA
2. Texas Department of Wildlife and Parks, 4200 Smith School Road, Austin, Texas 78744, USA
3. Wildlife Pharmaceutical Inc., 3131 Grand Avenue, Unit B, Laramie, Wyoming 82070, USA