1. Department of Physiotherapy, Opole Medical School, Katowicka 68, 45-060 Opole, Poland
2. Department of Obstetrics, Faculty of Health Science, Wroclaw Medical University, K. Bartla 5, 51-618 Wroclaw, Poland
3. Department of Clinical Biomechanics and Physiotherapy in Motor System Disorders, Faculty of Health Science, Wroclaw Medical University, Grunwaldzka 2, 50-355 Wroclaw, Poland
4. Department of Nervous System Diseases, Faculty of Health Science, Wroclaw Medical University, K. Bartla 5, 51-618 Wroclaw, Poland
5. Department of Physiotherapy Basics, Academy of Physical Education in Katowice, Mikolowska Street 72, Building B, 40-065 Katowice, Poland