1. Department of Orthopedics and Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 30-688 Krakow, Poland
2. Department of Medical Biology and Biochemistry, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland
3. Institute of Physical Education, Kazimierz Wielki University, 85-091 Bydgoszcz, Poland
4. Department of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 30-688 Krakow, Poland
5. Department of Orthopedics and Rehabilitation, Medical University of Warsaw, 02-203 Warsaw, Poland