1. Department of Anaesthesiology and Intensive Care Medical University of Silesia Katowice Poland
2. Faculty of Health Sciences Jagiellonian University Medical College Krakow Poland
3. Institute of Medical Sciences Jan Kochanowski University Kielce Poland
4. Emergency Department Lausanne University Hospital and University of Lausanne Lausanne Switzerland
5. Department of Cardiovascular Surgery Mayo Clinic Rochester MN USA
6. Institute of Cardiology Jagiellonian University Medical College Krakow Poland
7. Department of Anaesthesiology and Intensive Care Medicine Hospitaller Brothers HospitalParacelsus Medical University Salzburg Austria