1. Department of Specialist Nursing, Pomeranian Medical University, Rybacka 1, 70-204 Szczecin, Poland
2. Anesthesiology and Intensive Care Department, Pomeranian Medical University, Rybacka 1, 70-204 Szczecin, Poland
3. Anesthesiology and Intensive Care Department, University Hospital 1, Unii Lubelskiej 1, 72-252 Szczecin, Poland