1. - Faculty of Motor Rehabilitation, University School of Physical Education, Krakow, Poland.
2. - Department of Internal Medicine and Gerontology, Medical College, Jagiellonian Universit, Krakow, Poland.
3. - Department of University School Informatization, University School of Physical Education, Krakow, Poland.
4. - Department of Psychology, Institute of Sport, Warszawa, Poland.
5. - School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Department of Adapted Physical Activity and Sport, Chair of Physiotherapy.