1. Department of Metabolic Disease Prevention, Faculty of Health Sciences in Bytom, Medical University of Silesia, 41-900 Bytom, Poland
2. Department of Nutrition and Drug Research, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, 31-066 Cracow, Poland
3. Third Department of Cardiology, Silesian Center for Heart Disease, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-800 Zabrze, Poland
4. District Hospital, 41-940 Piekary Slaskie, Poland
5. Department of Endocrinology, District Hospital, 41-940 Piekary Slaskie, Poland