1. Department of Sports Medicine and Human Nutrition, Institute of Biomedical Sciences, University of Physical Education in Kraków, 31-571 Krakow, Poland
2. Department of Psychology, Institute of Social Sciences, University of Physical Education in Kraków, 31-571 Krakow, Poland
3. Department of Recreation and Biological Renewal, Institute of Recreation and Sports, University of Physical Education in Kraków, 31-571 Krakow, Poland