Authors
Piotr Lesiakowski
Pomeranian Medical University in Szczecin, Department of Physical Education and Sport, 6a Dunikowskiego Street, 70-123, Szczecin, Poland
Wojciech Lubiński
Pomeranian Medical University in Szczecin, Faculty of Medicine, Chair and Clinic of Ophthalmology,, Szczecin, Poland
Teresa Zwierko
University of Szczecin, Faculty of Physical Culture and Health Promotion, Chair of Kinesiology and Team Sports,, Szczecin, Poland