1 | Department of Anesthesiology and Intensive Care, Regional Specialist Hospital in Bialystok, Poland |
2 | MSWiA Specialized Hospital, Department of General Surgery and Oncology, Bialystok, Poland |
3 | Department of Anaesthesiology and Intensive Care, Regional Specialist Hospital in Olsztyn, Poland |
4 | Department of Anaesthesiology and Intensive Care, Faculty of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, Poland |
5 | Department of Pediatric Orthopaedics and Traumatology, Faculty of Medicine, Medical University of Bialystok, Poland |
6 | Department of Neurosurgery, Polish Mothers’ Memorial Hospital-Research Institute, Lodz, Poland |