Authors
Małgorzata Kowalczyk
Józef Piłsudski University of Physical Education, Faculty of Physical Education, Department of Biometry, Warsaw, Poland
Carolina Medical Center, Warsaw, Poland
Paweł Tomaszewski
Józef Piłsudski University of Physical Education, Faculty of Physical Education, Department of Biometry, Warsaw, Poland
Natalia Bartoszek
Carolina Medical Center, Warsaw, Poland
Marcin Popieluch
Polish Football Association, Warsaw, Poland