1. Institute of Physical Education, Kazimierz Wielki University in Bydgoszcz, Poland
2. Department of Medical Biology and Biochemistry, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
3. Department of Physiotherapy, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Poland
4. Ludwik Warmiński Municipal Hospital in Bydgoszcz, Poland