1 | Chair and Clinic of Rehabilitation of Children and Adolescents, Department of Medical Sciences, University of Warmia and Mazury in Olsztyn, Poland |
2 | Provincial Complex of Psychiatric Health in Olsztyn, Poland |
3 | Department of General Surgery, Betsi Cadwaladr University Health Board, Bangor, United Kingdom |
4 | Chair of Developmental Psychology and Education, SWPS University of Social Sciences and Humanities in Warsaw, Poland |