1. Department of Endocrinological Gynecology, Medical University of Silesia, Katowice, Poland,
2. Division of Statistics in Sosnowiec, Medical University of Silesia, Katowice, Poland,
3. Department of Pathophysiology, Pathophysiology Unit, Medical University of Silesia, Katowice, Poland, and
4. Department of Pathophysiology, Health Promotion and Obesity Management Unit, Medical University of Silesia, Katowice, Poland