1. Provita Żory Medical Center, Żory, Poland
2. Institute of Sport Sciences, Academy of Physical Education in Katowice, Katowice, Poland
3. Department Physical Therapy and Ergotherapy, Ivan Boberkyj Lviv State University of Physical Culture, Lviv, Ukraine
4. Department of Physiotherapy, Jan Grodek State University, Sanok, Poland
5. Department of Physiotherapy, Wrocław Medical University, Wrocław, Poland
6. Institute of Physiotherapy and Health Sciences, Academy of Physical Education in Katowice, Katowice, Poland