1. 2nd Department of Anaesthesiology and Intensive Care; Medical University of Warsaw; Warsaw Poland
2. Undergraduate Student Department; Lincoln University; Lincoln Pennsylvania USA
3. Department of Epigenetics; Mossakowski Medical Research Centre, PAS.; Warsaw Poland
4. Division of Cardiovascular Surgery; Department of Surgery; University of Pennsylvania; Philadelphia Pennsylvania USA
5. Department of Anaesthesiology and Critical Care; University of Pennsylvania; Philadelphia Pennsylvania USA