1. Department and Clinic of Internal Diseases, Diabetology, and Nephrology Metabolic Bone Diseases Unit Faculty of Medical Sciences in Zabrze Medical University of Silesia in Katowice Zabrze Poland
2. Department of Paediatrcs Faculty of Medical Sciences in Katowice Medical University of Silesia in Katowice Katowice Poland
3. Department of Pathomorfology Faculty of Medical Sciences in Zabrze Medical University of Silesia in Katowice Zabrze Poland