Authors
Waldemar Skowroński
Faculty of Rehabilitation, Józef Piłsudski University of Physical Education, Warsaw, Poland
Marianna Skowrońska
Primary School 321 in Warsaw, Poland
Izabela Rutkowska
Faculty of Rehabilitation, Józef Piłsudski University of Physical Education, Warsaw, Poland
Grzegorz Bednarczuk
Faculty of Rehabilitation, Józef Piłsudski University of Physical Education, Warsaw, Poland
Kalina Maria Kaźmierska-Kowalewska
Faculty of Rehabilitation, Józef Piłsudski University of Physical Education, Warsaw, Poland
Jolanta Marszałek
Faculty of Rehabilitation, Józef Piłsudski University of Physical Education, Warsaw, Poland