Authors
Jacek Wilczyński
Jan Kochanowski University in Kielce, Faculty of Medicine and Health Sciences, Department of Posturology, Hearing and Balance Rehabilitation,, Kielce, Poland
© 2018 Jacek Wilczyński, published by University of Physical Education in Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.