| Affiliation: | 1. Department of Pediatrics, Medical University of Silesia, Katowice, Poland;2. Departments of Internal Medicine, Diabetology, and Nephrology, Metabolic Bone Diseases Unit, Medical University of Silesia, Katowice, Poland;3. Department of Social Pediatrics, Wroclaw Medical University, Wroclaw, Poland;4. Allegro Med Outpatient Medical Care, Gliwice, Poland;5. Department of Pathomorphology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland |
