1. Victorian Veterinary Pathology Services; 1868 Dandenong Road, Clayton Victoria 3168 Australia
2. Royal Melbourne Zoological Gardens; Elliott Avenue, Parkville Victoria 3052 Australia
3. Department of Anatomical Pathology; Royal Prince Alfred Hospital; Missenden Road Camperdown New South Wales 2050 Australia
4. Central Sydney Electron Microscope Unit; Concord Repatriation General Hospital; Concord New South Wales 2139 Australia