1. Comparative Ophthalmology Laboratory School of Agricultural Sciences and Veterinary Medicine University of Brasília Brasília Brazil
2. Wild Animal Anatomy Laboratory School of Agricultural Sciences and Veterinary Medicine University of Brasília Brasília Brazil
3. Institute of Agricultural Sciences Federal University of Jequitinhonha and Mucuri Valleys Unaí Brazil
4. Department of Veterinary Surgical and Radiological Sciences School of Veterinary Medicine University of California Davis California USA