1. Department of Pediatric Cardiology and Intensive Care Medicine; University Children's Hospital Tübingen; Tuebingen Germany
2. Department of Anesthesiology and Intensive Care Medicine; University Hospital Tübingen; Tuebingen Germany
3. cMEDILYS Coagulation Laboratory mbH; Asklepios Clinic; Hamburg Germany
4. Department of Internal Medicine; University Hospital Tübingen; Tuebingen Germany
5. Department of Thoracic and Cardiovascular Surgery; University Hospital Tübingen; Tuebingen Germany