1. Department of Obstetrics and Gynecology, University Hospital “Dragisa Misovic”, Heroja Milana Tepica 1, 11000 Belgrade, Serbia
2. Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
3. Neurology Clinic, University Clinical Center of Serbia, 11000 Belgrade, Serbia
4. Clinic for Gynecology and Obstetrics “Narodni Front”, 11000 Belgrade, Serbia
5. Department of Physical Medicine and Rehabilitation, University Children’s Hospital, 11000 Belgrade, Serbia