Case 1. Rebollada-Merino A, AD, Demeter AE. Department of Population Medicine and Diagnostic Sciences, Section of Anatomic Pathology, College of Veterinary Medicine, Cornell University
Case 2. Martínez JH, Martínez RI, Pinto CJC, Diaz HD, Reyes MK, Sandoval PME. Departmento de patologia, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Cuidad de México, México
Case 3. Landmann K, Wießnet L, Nakladal B, Gruber AD: Institute of Veterinary Pathology, Freie Universität Berlin, Germany
Case 4. Mandrioli L. Department of Veterinary Medical Sciences (DIMEVET), Bologna, Italy
Case 5. Mazarine G. Pathology and Morphology, Faculty of Veterinary Medicine, University of Liege, Sart-Tilman B43, B-4000 Liege, Belgium
Case 6. Cuesta-Garcia N. Idexx Laboratories, UK, Spain
Case 7. Diana Bocynska, H23-001172; Ross University School of Veterinary Medicine, Saint Kitts and Nevis