1. Non-public Health Care Center, Pediatric Neuropsychiatry Centre, 59-220 Legnica, Poland
2. Department of Pediatrics, Pediatric Obesity and Metabolic Bone Diseases, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland
3. Institute of Pedagogy, University of Bielsko-Biała, 43-309 Bielsko-Biala, Poland
4. Department of Psychology, Chair of Social Sciences and Humanities, School of Health Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland
5. Department of Rehabilitation, Faculty of Health Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland