Authors
Jerzy Saczuk
Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education and Sport in Biała Podlaska, Department of Human Biological Development, Biała Podlaska, Poland
Agnieszka Wasiluk
Józef Piłsudski University of Physical Education in Warsaw, Faculty of Tourism and Health in Biała Podlaska, Department of Biomedical Foundations of Health Sciences, Biała Podlaska, Poland