1. District Hospital of Orthopedics and Trauma Surgery in Piekary Śląskie, Piekary Śląskie, Poland
2. Department of Biochemistry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland
3. Department of Internal Medicine, Diabetology and Cardiometabolic Disorders, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland
4. Faculty of Health Sciences, Jan Długosz University in Częstochowa, Częstochowa, Poland