1. Division of Cardiac Thoracic Vascular Anesthesia and Intensive Care Medicine Department of Anesthesia, Intensive Care Medicine and Pain Medicine Medical University of Vienna Wien Austria
2. Department of Anesthesia and Perioperative Care University of California San Francisco CA USA
3. Division of Thoracic Surgery Department of Surgery Medical University of Vienna Wien Austria
4. Department of Blood Group Serology and Transfusion Medicine Medical University of Vienna Wien Austria