1. Department of Cardiovascular Surgery, Cardiovascular Clinic Bad Neustadt, Bad Neustadt, Germany
2. Department of Cardiac Surgery and Cardiosurgical Intensive Care, Children’s University Hospital, Jagiellonian University Medical College, Krakow, Poland
3. Department for Medical Statistics, Campus Bad Neustadt, Bad Neustadt, Germany
4. Department of Radiology, Cardiovascular Clinic Bad Neustadt, Bad Neustadt, Germany