Affiliations

• ¹ Department of Preventive Medicine and Education, Medical University of Gdańsk, Gdańsk, Poland; Department of Dental Techniques and Masticatory System Dysfunctions, Medical University of Gdańsk, Gdańsk, Poland
• ² Department of Pediatrics, Nephrology and Hypertension, Medical University of Gdańsk, Gdańsk, Poland
• ³ Mental Health Clinic for Children and Adolescents, Gdansk Medical Centre, Gdańsk, Poland
• ⁴ Department of Trauma and Orthopedic Surgery, Medical University of Gdańsk, Gdańsk, Poland
• ⁵ Department of Pediatric Cardiology and Congenital Heart Disease, Medical University of Gdańsk, Gdańsk, Poland
• ⁶ Department of Periodontology and Oral Mucosal Diseases, Medical University of Gdańsk, Gdańsk, Poland
• ⁷ Department of Nephrology, Transplantation Medicine and Internal Diseases, Medical University of Gdańsk, Gdańsk, Poland
• ⁸ Department of Preventive Medicine and Education, Medical University of Gdańsk, Gdańsk, Poland. tz@gumed.edu.pl