1. Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
2. Institute of Medical Sciences, Jan Kochanowski University Medical College, Kielce, Poland
3. Department of Anesthesiology and Intensive Care, Pulmonary Hospital, Zakopane, Poland
4. Department of Intensive Care and Perioperative Medicine, Jagiellonian University Medical College, Krakow, Poland
5. Department of Anesthesiology and Intensive Care, District Hospital, Zakopane, Poland
6. Department of Anesthesiology and Intensive Care, Medical University of Silesia, Katowice, Poland