1. Institute of Physiotherapy and Health Sciences, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
2. NZOZ “MED8” Miechowice, 41-908 Bytom, Poland
3. Bytom Medical Centre “Jedynka”, 41-902 Bytom, Poland
4. School of Public Health and Social Work, Queensland University of Technology (QUT), Kelvin Grove, QLD 4059, Australia