1. Department of Clinical Science and Services Royal Veterinary College, Hatfield, North Mymms Hertfordshire UK
2. Department of Biology and Biochemistry University of Bath Claverton Down Bath UK
3. Department of Pathobiology and Population Sciences Royal Veterinary College, Hatfield, North Mymms Hertfordshire UK
4. Bristol Zoological Society Clifton Bristol UK
5. Jersey Zoo Les Augrès Manor La Profonde Rue Trinity Jersey Channel Islands
6. Pathology Division International Zoo Veterinary Group Station House, Keighley West Yorkshire UK