1. Department of Medical Genetics, School of Pharmaceutical Sciences, Medical University of Silesia, Jednosci 8, 41-200 Sosnowiec, Poland
2. Department of Psychiatry and Psychotherapy, School of Medical Sciences, Medical University of Silesia, Katowice, Ziolowa 45, 40-635 Katowice, Poland
3. Health Promotion and Obesity Management Unit, Department of Pathophysiology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Medykow 15, 40-752 Katowice, Poland
4. Division of Statistics, Department of Instrumental Analysis, School of Pharmaceutical Sciences, Medical University of Silesia, Ostrogorska 30, 41-200 Sosnowiec, Poland