1. A Bochenska:
Faculty of Veterinary Medicine, University of Warmia and Mazury, str. Oczapowskiego 14, 10-957 Olsztyn: University Centre of Veterinary Medicine UJUR
al. Mickiewicza 24/28, 30-059 Krakow, Poland
2. A Kaniewska:
Kanvet Veterinary Physiotherapy Practice,str. Liliowa 37, 11-041 Olsztyn,
3. A Pomianowski:
Faculty of Veterinary Medicine, University of Warmia and Mazury,str. Oczapowskiego 14, 10-957 Olsztyn,
4. T Monowid:
Faculty of Veterinary Medicine, University of Warmia and Mazury,str. Oczapowskiego 14, 10-957 Olsztyn,
5. P Reichert:
Department and Clinic of Traumatology and Hand Surgery, Wroclaw Medical University,Borowska 213, 50-556, Wroclaw,
6. Z Adamiak:
Faculty of Veterinary Medicine, University of Warmia and Mazury,str. Oczapowskiego 14, 10-957 Olsztyn,