1. Specialistische Dierenkliniek Utrecht (SDU); Middenwetering 19 3543 AR Utrecht Netherlands
2. Department of Ophthalmology; Department of Clinical Science and Services; The Royal Veterinary College; University of London; Hawkshead Lane North Mymms Herts AL9 7TA UK
3. Department of Herpetology; University of London; Hawkshead Lane North Mymms Herts AL9 7TA UK
4. Department of Imaging; University of London; Hawkshead Lane North Mymms Herts AL9 7TA UK
5. Department of Pathology and Pathogen Biology; University of London; Hawkshead Lane North Mymms Herts AL9 7TA UK
6. Anesthesiology Department; Universidad Catolica de Valencia San Vicente Martir; Godella Valencia ES 46110 Spain
7. Anesthesiology Department; University of Wisconsin Madison; 2105 Linden Dr Madison WI 53706 USA
8. Anesthesiology Department; Davies Veterinary Specialists; Manor Farm Business Park; Higham Gobion SG5 3HR UK