Authors
Katarzyna Krawczak-Wójcik
Józef Pilsudski University of Physical Education in Warsaw, Faculty of Physical Education, Poland
Anna Mazurkiewicz
Józef Pilsudski University of Physical Education in Warsaw, Faculty of Physical Education, Poland
Miroslav Petr
Charles University, Faculty of Physical Education and Sport, Sport Sciences-Biomedical Department, Prague, Czech Republic