1. Department of Geriatrics, Faculty of Health Sciences in Katowice, Medical University of Silesia in Katowice, Ziołowa 45/47, 40-635 Katowice, Poland
2. Department of Anatomy, Institute of Medicine, University of Opole, Oleska 48, 45-052 Opole, Poland
3. Faculty of Medical Sciences, University of Applied Sciences, Ujejskiego 12, 48-300 Nysa, Poland
4. Health Promotion and Obesity Management Unit, Department of Pathophysiology, Faculty of Medicine in Katowice, Medical University of Silesia in Katowice, Medyków 18, 40-752 Katowice, Poland