1. United Sates Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, 4101 LaPorte Avenue, Fort Collins, Colorado 80521, USA
2. United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, 602 Duncan Drive, Auburn, Alabama 36849, USA
3. United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Rabies Management Program, 59 Chenell Drive, Suite 2, Concord, New Hampshire 03301, USA