1. Department of Medicine, College of Veterinary Medicine; Midwestern University, 5715 W. Utopia Rd, Glendale Arizona 85308
2. College of Veterinary Medicine; University of Georgia; Athens Georgia
3. Department of Clinical Science and Services; Royal Veterinary College; London United Kingdom
4. College of Veterinary Medicine; North Carolina State University; Raleigh North Carolina
5. Department of Medical Sciences; University of Wisconsin School of Veterinary Medicine; Madison Wisconsin