1. Small Animal Clinic; University of Veterinary Medicine and Pharmacy; Komenskeho 73 Kosice Slovakia
2. Institute of Nuclear and Molecular Medicine (INMM); Rastislavova 43 Kosice Slovakia
3. Institute of Pathological Anatomy and Pathological Physiology; University of Veterinary Medicine and Pharmacy; Komenskeho 73 Kosice Slovakia
4. Department of Urology; P. J. Safarik University, Medical Faculty and L. Pauster University Hospital; SNP 1 Kosice Slovakia