1. Faculty of Physical Education, Gdansk University of Physical Education and Sport, Gdansk, Poland
2. Division of Exercise Science and Sports Medicine (ESSM), Human Biology Department, Health Science Faculty, University of Cape Town, Cape Town, South Africa
3. International Federation of Sports Medicine (FIMS) Collaborative Centre of Sports Medicine, ESSM, University of Cape Town, Cape Town, South Africa
4. Research Centre for Health Through Physical Activity and Sport, University of Cape Town, Cape Town, South Africa
5. Faculty of Physiotherapy, Academy of Physical Education in Katowice, Katowice, Poland
6. Physical Education Department, West Pomeranian University of Technology in Szczecin, Szczecin, Poland
7. Faculty of Physical Education, Academy of Physical Education in Katowice, Katowice, Poland
8. Department of Oral Surgery, Pomeranian Medical University, Szczecin, Poland