1. M. Dąbrowska-Galas, PT, MS, Department of Sports Medicine and Physiology of Physical Effort, Medical University of Silesia, 12 Medyków St, 40-752 Katowice, Poland.
2. R. Plinta, PE, PhD, Department of Physical Education and Sport, Medical University of Silesia.
3. J. Dąbrowska, PT, PhD, Department of Physiotherapy, Medical University of Silesia.
4. V. Skrzypulec-Plinta, MD, PROF, Department of Women's Disease Control and Prevention, Medical University of Silesia.