1. Experimental Cancer Genetics The Wellcome Trust Sanger Institute Hinxton Cambridgeshire CB10 1SA UK
2. MRC Human Genetics Unit, The MRC Institute of Genetics and Molecular Medicine The University of Edinburgh, Western General Hospital Crewe Road Edinburgh EH4 2XU UK
3. Department of Pathobiology, Ontario Veterinary College University of Guelph 50 Stone Road E Guelph Ontario N1G 2W1 Canada
4. Rossdales Equine Hospital Cotton End Road, Exning Newmarket Suffolk CB8 7NN UK
5. Pathology Department Western General Hospital Crewe Road Edinburgh EH4 2XU UK
6. Centre for Comparative Pathology University of Edinburgh, Western General Hospital Crewe Road South Edinburgh EH4 2XR UK