1. North Shore Veterinary Specialist Centre, 64 Atchison Street, Crows Nest, Sydney, NSW 2065, Australia
2. Veterinary Specialist Centre, Delhi Road, Ryde, Sydney, 2113, Australia
3. Faculty of Veterinary Science, B14, The University of Sydney, 2006, Australia
4. Veterinary Imaging Associates, St Leonards, Sydney, 1590, Australia
5. Centre for Veterinary Education, B22, The University of Sydney, 2006, Australia