1. Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74078, USA
2. Instituto de Investigación en Recursos Cinegéticos IREC (CSIC-UCLM-JCCM), Ronda de Toledo s/n, 13005 Ciudad Real, Spain
3. Montana Fish, Wildlife and Parks, 1400 S. 19th St., Bozeman, Montana 59718, USA
4. Montana Conservation Science Institute, Ltd., 5200 Upper Miller Creek Road, Missoula, Montana 59803, USA
5. Animal Population Health Institute, Veterinary Teaching Hospital, Colorado State University, 300 West Drake, Fort Collins, Colorado 80523, USA