1. Department of Hygiene, Poznan University of Physical Education, Poznań, Poland
2. Laboratory of Swimming and Water Lifesaving, Poznan University of Physical Education, Poznań, Poland
3. Department of Physical Activity Sciences and Health Promotion, Poznan University of Physical Education, Poznań, Poland
4. Department of Physiology and Biochemistry, Poznan University of Physical Education, Poznań, Poland
5. Department of Rheumatology, Rehabilitation and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland