1. Physical Medicine and Rehabilitation Clinic, Clinical Center Nis; Nis Serbia
2. Faculty of Medicine; University of Nis; Nis Serbia
3. College of Health Studies Cuprija; Cuprija Serbia
4. Faculty of Medicine; University of Belgrade; Belgrade Serbia
5. Institute for Rehabilitation; Belgrade Serbia
6. Physical Medicine and Rehabilitation Department; University Children's Hospital; Belgrade Serbia
7. Department of Biomedical Sciences; State University of Novi Pazar; Novi Pazar Serbia