1. White Oak Conservation Center, 3823 Owens Road, Yulee, Florida 32097, USA
2. National Zoological Park, Smithsonian Institution, Conservation and Research Center, Front Royal, Virginia 22630, USA
3. South African National Parks, Kruger National Park, Private Bag X402, Skukuza 1350, Republic of South Africa
4. Wildlife Pharmaceuticals Inc., 1401 Duff Drive, Suite 600, Fort Collins, Colorado 80524, USA