1. Fossil Rim Wildlife Center, 2155 County Road 2008, Glen Rose, Texas 76043, USA
2. Current address: Audubon Zoo-Audubon Nature Institute, 6500 Magazine St., New Orleans, Louisiana 70118, USA
3. Hyde Park Animal Clinic, 5210 S. Harper Ave, Chicago, Illinois 60615, USA
4. Texas Veterinary Medical Diagnostic Laboratory, Drawer 3040, College Station, Texas 77841–3040, USA