1. Department of Diagnostic Imaging, Small Animal Clinic, Faculty of Veterinary Medicine , University of Veterinary and Pharmaceuticals Sciences Brno , Brno , Czech Republic
2. Institute of Pathology, Wild Animals, Fish and Bees, Veterinary Faculty , University of Ljubljana , Slovenia
3. Ljubljana Zoo, Ljubljana , Slovenia
4. Veterinary clinic BUBA, d.o.o., Grosuplje , Slovenia