1. Clinic for Orthopaedic and Trauma Surgery, University Clinical Center Kragujevac,Zmaj Jovina,Kragujevac,Serbia
2. University of Kragujevac,Faculty of Engineering,Department for Production Engineering,Sestre Janjic,Kragujevac,Serbia
3. Center for Neonatology, Pediatric Clinic, University Clinical Center Kragujevac,Zmaj Jovina,Kragujevac,Serbia