1. Department of Veterinary Biosciences; College of Veterinary Medicine; The Ohio State University; Columbus OH
2. Athens Veterinary Diagnostic Laboratory; College of Veterinary Medicine; University of Georgia; Athens GA
3. Department of Pathology, Microbiology and Immunology; School of Veterinary Medicine; University of California; Davis CA
4. NSG Pathology; Davis CA
5. Facoltà di Medicina Veterinaria; Dipartimento di Biomedicina comparata e Alimentazione; Università di Padova; Legnaro Italy
6. IDEXX Laboratories; Hoofddorp The Netherlands
7. Department of Clinical Sciences of Companion Animals; Utrecht University; Utrecht The Netherlands
8. Department of Basic Sciences and Aquatic Medicine; Norwegian School of Veterinary Science; Oslo Norway
9. IDEXX Laboratories; Wetherby UK
10. Department of Veterinary Pathobiology; College of Veterinary Medicine and Biological Sciences; Texas A&M University; College Station TX
11. Department of Small Animal Clinical Sciences; College of Veterinary Medicine and Biological Sciences; Texas A&M University; College Station TX