1. Department of Cardiology, Angiology, Haemostaseology and Medical Intensive Care, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
2. Vth Department of Medicine (Nephrology, Hypertensiology, Endocrinology, Rheumatology, Pneumology), Transplant Center Mannheim, Medical Faculty Mannheim, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany
3. Institute of Clinical Chemistry, Laboratory Medicine and Transfusion Medicine, Nuremberg General Hospital, Paracelsus Medical University, 90419 Nuremberg, Germany
4. Department of Cardiology, St. Josef-Hospital, Ruhr-Universität Bochum, 44791 Bochum, Germany