1 | Department of Maxillofacial Surgery, Regional Children’s Specialized Hospital in Olsztyn, Poland |
2 | Department of Ophthalmology, Regional Children’s Specialized Hospital in Olsztyn, Poland |
3 | Department of Oncological and Reconstructive Surgery, The Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology Gliwice Branch, Gliwice, Poland |