1. University of Belgrade , Faculty of Veterinary Medicine, Department of Surgery, Orthopedics and Ophthalmology
2. University of Belgrade, Faculty of Veterinary Medicine , Department of Radiology and Radiation Hygiene
3. University of Zenica, Faculty of Medicine , Department of Histology and Embryology , Bosnia and Herzegovina
4. General Hospital Euromedik 2 , Belgrade , Serbia
5. University Clinical Centre of Serbia , Clinic for Plastic and Reconstructive Surgery, Zvečanska no.6 , Belgrade , Serbia
6. University of Belgrade, Faculty of Physical Chemistry , Studenstski trg 3 , Belgrade , Serbia
7. Faculty of Medical Sciences of the University of Kragujevac , Svetozar Markovića 69 , Kragujevac , Serbia
8. University Clinical Centre of Serbia , Emergency Center, Center for Emergency Care and Neurotrauma , Pasterova 2 , Belgrade , Serbia