1. University Clinical Center ‘Dr. Dragisa Misovic-Dedinje’; Belgrade Serbia
2. University Clinical Center ‘Zvezdara’; Belgrade Serbia
3. School of Medicine; University of Belgrade; Belgrade Serbia
4. Faculty of Health; School of Medicine; University Witten/Herdecke; Witten Germany
5. School of Medicine; Institute of Medical Physiology; University of Belgrade; Belgrade Serbia
6. Faculty of Sport and Physical Education; University of Novi Sad; Novi Sad Serbia
7. Serbian Institute of Sport and Sports Medicine; Belgrade Serbia