1. Department of Anaesthesiology and Intensive Care, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland
2. Department of Paediatric Orthopaedics and Oncology of the Musculoskeletal System, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland
3. Department of Biochemical Science, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
4. Department of Clinical Nursing, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland
5. Department of Neurosurgery and Paediatric Neurosurgery, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland